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Finding the Fourth Proportional to 8,333.39, 12,502.11 and 2,489.96

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Solution

The fourth proportional to 8,333.39, 12,502.11 and 2,489.96 is: 3,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.39 : 12,502.11 = 2,489.96 : x
  2. Step 2: Convert to fraction form
    8,333.39/12,502.11 = 2,489.96/x
  3. Step 3: Cross multiply
    8,333.39x = 12,502.11 × 2,489.96
  4. Step 4: Simplify right side
    8,333.39x = 31,129,753.82
  5. Step 5: Solve for x
    x = 31,129,753.82/8,333.39
  6. Step 6: Final answer
    x = 3,735.55

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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.