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Finding the Fourth Proportional to 8,815.88, 13,216.88 and 4,370.49

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Solution

The fourth proportional to 8,815.88, 13,216.88 and 4,370.49 is: 6,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.88 : 13,216.88 = 4,370.49 : x
  2. Step 2: Convert to fraction form
    8,815.88/13,216.88 = 4,370.49/x
  3. Step 3: Cross multiply
    8,815.88x = 13,216.88 × 4,370.49
  4. Step 4: Simplify right side
    8,815.88x = 57,764,241.87
  5. Step 5: Solve for x
    x = 57,764,241.87/8,815.88
  6. Step 6: Final answer
    x = 6,552.29

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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.