Question

Find a fourth proportional to 8,7,6​

Answer 1

Answer:

Let the fourth number be x Then, = 8: 7:: 6: x We know that, Product of extremes = product of means ∴ 8 × x = 7 × 6 = 8x = 42= x = 42/8 = x = 5. 25Hence, x = 5.25