Home / 8,331.34-12,498.99-2,488.11

Finding the Fourth Proportional to 8,331.34, 12,498.99 and 2,488.11

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Solution

The fourth proportional to 8,331.34, 12,498.99 and 2,488.11 is: 3,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.34 : 12,498.99 = 2,488.11 : x
  2. Step 2: Convert to fraction form
    8,331.34/12,498.99 = 2,488.11/x
  3. Step 3: Cross multiply
    8,331.34x = 12,498.99 × 2,488.11
  4. Step 4: Simplify right side
    8,331.34x = 31,098,862.01
  5. Step 5: Solve for x
    x = 31,098,862.01/8,331.34
  6. Step 6: Final answer
    x = 3,732.76

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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.