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Finding the Fourth Proportional to 8,803.11, 13,203.42 and 3,255.53

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Solution

The fourth proportional to 8,803.11, 13,203.42 and 3,255.53 is: 4,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.11 : 13,203.42 = 3,255.53 : x
  2. Step 2: Convert to fraction form
    8,803.11/13,203.42 = 3,255.53/x
  3. Step 3: Cross multiply
    8,803.11x = 13,203.42 × 3,255.53
  4. Step 4: Simplify right side
    8,803.11x = 42,984,063.90
  5. Step 5: Solve for x
    x = 42,984,063.90/8,803.11
  6. Step 6: Final answer
    x = 4,882.83

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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.