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Finding the Fourth Proportional to 8,337.48, 12,500.10 and 3,949.80

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Solution

The fourth proportional to 8,337.48, 12,500.10 and 3,949.80 is: 5,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.48 : 12,500.10 = 3,949.80 : x
  2. Step 2: Convert to fraction form
    8,337.48/12,500.10 = 3,949.80/x
  3. Step 3: Cross multiply
    8,337.48x = 12,500.10 × 3,949.80
  4. Step 4: Simplify right side
    8,337.48x = 49,372,894.98
  5. Step 5: Solve for x
    x = 49,372,894.98/8,337.48
  6. Step 6: Final answer
    x = 5,921.80

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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.