Home / 5,132.43-7,688.16-3,817.58

Finding the Fourth Proportional to 5,132.43, 7,688.16 and 3,817.58

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Solution

The fourth proportional to 5,132.43, 7,688.16 and 3,817.58 is: 5,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.43 : 7,688.16 = 3,817.58 : x
  2. Step 2: Convert to fraction form
    5,132.43/7,688.16 = 3,817.58/x
  3. Step 3: Cross multiply
    5,132.43x = 7,688.16 × 3,817.58
  4. Step 4: Simplify right side
    5,132.43x = 29,350,127.41
  5. Step 5: Solve for x
    x = 29,350,127.41/5,132.43
  6. Step 6: Final answer
    x = 5,718.56

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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.