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Finding the Fourth Proportional to 8,294.38, 12,447.04 and 3,100.26

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Solution

The fourth proportional to 8,294.38, 12,447.04 and 3,100.26 is: 4,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.38 : 12,447.04 = 3,100.26 : x
  2. Step 2: Convert to fraction form
    8,294.38/12,447.04 = 3,100.26/x
  3. Step 3: Cross multiply
    8,294.38x = 12,447.04 × 3,100.26
  4. Step 4: Simplify right side
    8,294.38x = 38,589,060.23
  5. Step 5: Solve for x
    x = 38,589,060.23/8,294.38
  6. Step 6: Final answer
    x = 4,652.43

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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.