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Finding the Fourth Proportional to 8,330.92, 12,493.90 and 3,135.56

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Solution

The fourth proportional to 8,330.92, 12,493.90 and 3,135.56 is: 4,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.92 : 12,493.90 = 3,135.56 : x
  2. Step 2: Convert to fraction form
    8,330.92/12,493.90 = 3,135.56/x
  3. Step 3: Cross multiply
    8,330.92x = 12,493.90 × 3,135.56
  4. Step 4: Simplify right side
    8,330.92x = 39,175,373.08
  5. Step 5: Solve for x
    x = 39,175,373.08/8,330.92
  6. Step 6: Final answer
    x = 4,702.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.