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Finding the Fourth Proportional to 8,815.52, 13,223.14 and 3,550.41

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Solution

The fourth proportional to 8,815.52, 13,223.14 and 3,550.41 is: 5,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.52 : 13,223.14 = 3,550.41 : x
  2. Step 2: Convert to fraction form
    8,815.52/13,223.14 = 3,550.41/x
  3. Step 3: Cross multiply
    8,815.52x = 13,223.14 × 3,550.41
  4. Step 4: Simplify right side
    8,815.52x = 46,947,539.90
  5. Step 5: Solve for x
    x = 46,947,539.90/8,815.52
  6. Step 6: Final answer
    x = 5,325.55

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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.