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Finding the Fourth Proportional to 8,572.26, 12,859.42 and 3,024.46

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Solution

The fourth proportional to 8,572.26, 12,859.42 and 3,024.46 is: 4,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.26 : 12,859.42 = 3,024.46 : x
  2. Step 2: Convert to fraction form
    8,572.26/12,859.42 = 3,024.46/x
  3. Step 3: Cross multiply
    8,572.26x = 12,859.42 × 3,024.46
  4. Step 4: Simplify right side
    8,572.26x = 38,892,761.70
  5. Step 5: Solve for x
    x = 38,892,761.70/8,572.26
  6. Step 6: Final answer
    x = 4,537.05

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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.