Home / 8,342.50-12,488.82-5,045.62

Finding the Fourth Proportional to 8,342.50, 12,488.82 and 5,045.62

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Solution

The fourth proportional to 8,342.50, 12,488.82 and 5,045.62 is: 7,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.50 : 12,488.82 = 5,045.62 : x
  2. Step 2: Convert to fraction form
    8,342.50/12,488.82 = 5,045.62/x
  3. Step 3: Cross multiply
    8,342.50x = 12,488.82 × 5,045.62
  4. Step 4: Simplify right side
    8,342.50x = 63,013,839.97
  5. Step 5: Solve for x
    x = 63,013,839.97/8,342.50
  6. Step 6: Final answer
    x = 7,553.35

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1.5x scale

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.