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Finding the Fourth Proportional to 8,812.80, 13,207.19 and 4,433.27

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Solution

The fourth proportional to 8,812.80, 13,207.19 and 4,433.27 is: 6,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.80 : 13,207.19 = 4,433.27 : x
  2. Step 2: Convert to fraction form
    8,812.80/13,207.19 = 4,433.27/x
  3. Step 3: Cross multiply
    8,812.80x = 13,207.19 × 4,433.27
  4. Step 4: Simplify right side
    8,812.80x = 58,550,951.01
  5. Step 5: Solve for x
    x = 58,550,951.01/8,812.80
  6. Step 6: Final answer
    x = 6,643.85

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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.