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Finding the Fourth Proportional to 8,352.03, 12,531.29 and 3,158.31

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Solution

The fourth proportional to 8,352.03, 12,531.29 and 3,158.31 is: 4,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.03 : 12,531.29 = 3,158.31 : x
  2. Step 2: Convert to fraction form
    8,352.03/12,531.29 = 3,158.31/x
  3. Step 3: Cross multiply
    8,352.03x = 12,531.29 × 3,158.31
  4. Step 4: Simplify right side
    8,352.03x = 39,577,698.52
  5. Step 5: Solve for x
    x = 39,577,698.52/8,352.03
  6. Step 6: Final answer
    x = 4,738.69

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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.