Home / 8,456.33-12,691.01-4,761.81

Finding the Fourth Proportional to 8,456.33, 12,691.01 and 4,761.81

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Solution

The fourth proportional to 8,456.33, 12,691.01 and 4,761.81 is: 7,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.33 : 12,691.01 = 4,761.81 : x
  2. Step 2: Convert to fraction form
    8,456.33/12,691.01 = 4,761.81/x
  3. Step 3: Cross multiply
    8,456.33x = 12,691.01 × 4,761.81
  4. Step 4: Simplify right side
    8,456.33x = 60,432,190.23
  5. Step 5: Solve for x
    x = 60,432,190.23/8,456.33
  6. Step 6: Final answer
    x = 7,146.38

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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.