Question

what is the fourth proportional of 2,5and 6

Answer 1

Hey friend

here is your answer

as, in proportion
a : b = c : d
here,
a = 2
b = 5
c = 6
d =? ( to find)

so,
2 : 5 = 6 :d
therefore d = 15


hence the fourth proportion = 15


glad to help you
hope it helps
thank you.

Answer 2

Answer:

The fourth proportional of 2, 5, and 6 is 15.

Step-by-step explanation:

Given:

the numbers 2,5 and 6

To find:

the fourth proportional of 2,5and 6

Step 1

When four numbers, a, b, c, and d exist in proportion, a/b = c/d.

Assuming the fourth proportional to be x,

2/4 = 6/x

After cross multiplying,

$2*x=6*5$

Step 2

Multiply the numbers, and we get

$6 \cdot 5=30$

2x = 30

Divide both sides of the equation by 2, and we get

$\frac{2 x}{2}=\frac{30}{2}$

Simplifying the above equation, we get

x = 15

The fourth proportional of 2, 5, and 6 is 15.

Therefore, the value of x = 15.

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