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Finding the Fourth Proportional to 8,861.54, 13,294.19 and 4,421.59

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Solution

The fourth proportional to 8,861.54, 13,294.19 and 4,421.59 is: 6,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.54 : 13,294.19 = 4,421.59 : x
  2. Step 2: Convert to fraction form
    8,861.54/13,294.19 = 4,421.59/x
  3. Step 3: Cross multiply
    8,861.54x = 13,294.19 × 4,421.59
  4. Step 4: Simplify right side
    8,861.54x = 58,781,435.38
  5. Step 5: Solve for x
    x = 58,781,435.38/8,861.54
  6. Step 6: Final answer
    x = 6,633.32

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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.