Home / 5,136.55-7,708.17-4,718.30

Finding the Fourth Proportional to 5,136.55, 7,708.17 and 4,718.30

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Solution

The fourth proportional to 5,136.55, 7,708.17 and 4,718.30 is: 7,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.55 : 7,708.17 = 4,718.30 : x
  2. Step 2: Convert to fraction form
    5,136.55/7,708.17 = 4,718.30/x
  3. Step 3: Cross multiply
    5,136.55x = 7,708.17 × 4,718.30
  4. Step 4: Simplify right side
    5,136.55x = 36,369,458.51
  5. Step 5: Solve for x
    x = 36,369,458.51/5,136.55
  6. Step 6: Final answer
    x = 7,080.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.