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Finding the Fourth Proportional to 8,234.48, 12,352.92 and 2,390.32

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Solution

The fourth proportional to 8,234.48, 12,352.92 and 2,390.32 is: 3,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.48 : 12,352.92 = 2,390.32 : x
  2. Step 2: Convert to fraction form
    8,234.48/12,352.92 = 2,390.32/x
  3. Step 3: Cross multiply
    8,234.48x = 12,352.92 × 2,390.32
  4. Step 4: Simplify right side
    8,234.48x = 29,527,431.73
  5. Step 5: Solve for x
    x = 29,527,431.73/8,234.48
  6. Step 6: Final answer
    x = 3,585.83

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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.