Question

if 3,6,7,X are in proportion then find the value of 'x'​

Answer 1

Answer:

3:6:7:x

3/6=7/x

3x=6×7 [ cross multiplication]

3x=42

x=42/3

Therefore, x = 14

Hope this helps ((:

Answer 2

Answer:

x = 14

Explanation:

3:6::7:x

Extreme terms = 3 and x

Mean terms = 6 and 7

In proportion,

Product of extreme terms = Product of mean terms

=> 3x = 6×7

=> 3x = 42

=> x = 14