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Finding the Fourth Proportional to 8,751.05, 13,124.22 and 3,204.43

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Solution

The fourth proportional to 8,751.05, 13,124.22 and 3,204.43 is: 4,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.05 : 13,124.22 = 3,204.43 : x
  2. Step 2: Convert to fraction form
    8,751.05/13,124.22 = 3,204.43/x
  3. Step 3: Cross multiply
    8,751.05x = 13,124.22 × 3,204.43
  4. Step 4: Simplify right side
    8,751.05x = 42,055,617.49
  5. Step 5: Solve for x
    x = 42,055,617.49/8,751.05
  6. Step 6: Final answer
    x = 4,805.78

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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.