Home / 8,538.38-11,781.42-5,001.68

Finding the Fourth Proportional to 8,538.38, 11,781.42 and 5,001.68

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Solution

The fourth proportional to 8,538.38, 11,781.42 and 5,001.68 is: 6,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.38 : 11,781.42 = 5,001.68 : x
  2. Step 2: Convert to fraction form
    8,538.38/11,781.42 = 5,001.68/x
  3. Step 3: Cross multiply
    8,538.38x = 11,781.42 × 5,001.68
  4. Step 4: Simplify right side
    8,538.38x = 58,926,892.79
  5. Step 5: Solve for x
    x = 58,926,892.79/8,538.38
  6. Step 6: Final answer
    x = 6,901.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.