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Finding the Fourth Proportional to 8,861.04, 13,293.12 and 3,318.12

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Solution

The fourth proportional to 8,861.04, 13,293.12 and 3,318.12 is: 4,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.04 : 13,293.12 = 3,318.12 : x
  2. Step 2: Convert to fraction form
    8,861.04/13,293.12 = 3,318.12/x
  3. Step 3: Cross multiply
    8,861.04x = 13,293.12 × 3,318.12
  4. Step 4: Simplify right side
    8,861.04x = 44,108,167.33
  5. Step 5: Solve for x
    x = 44,108,167.33/8,861.04
  6. Step 6: Final answer
    x = 4,977.76

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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.