Home / 7,487.91-11,229.44-3,538.55

Finding the Fourth Proportional to 7,487.91, 11,229.44 and 3,538.55

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Solution

The fourth proportional to 7,487.91, 11,229.44 and 3,538.55 is: 5,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.91 : 11,229.44 = 3,538.55 : x
  2. Step 2: Convert to fraction form
    7,487.91/11,229.44 = 3,538.55/x
  3. Step 3: Cross multiply
    7,487.91x = 11,229.44 × 3,538.55
  4. Step 4: Simplify right side
    7,487.91x = 39,735,945.29
  5. Step 5: Solve for x
    x = 39,735,945.29/7,487.91
  6. Step 6: Final answer
    x = 5,306.68

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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.