Home / 8,331.39-12,499.11-2,487.96

Finding the Fourth Proportional to 8,331.39, 12,499.11 and 2,487.96

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Solution

The fourth proportional to 8,331.39, 12,499.11 and 2,487.96 is: 3,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.39 : 12,499.11 = 2,487.96 : x
  2. Step 2: Convert to fraction form
    8,331.39/12,499.11 = 2,487.96/x
  3. Step 3: Cross multiply
    8,331.39x = 12,499.11 × 2,487.96
  4. Step 4: Simplify right side
    8,331.39x = 31,097,285.72
  5. Step 5: Solve for x
    x = 31,097,285.72/8,331.39
  6. Step 6: Final answer
    x = 3,732.54

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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.