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Finding the Fourth Proportional to 8,694, 13,041 and 3,503.52

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Solution

The fourth proportional to 8,694, 13,041 and 3,503.52 is: 5,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694 : 13,041 = 3,503.52 : x
  2. Step 2: Convert to fraction form
    8,694/13,041 = 3,503.52/x
  3. Step 3: Cross multiply
    8,694x = 13,041 × 3,503.52
  4. Step 4: Simplify right side
    8,694x = 45,689,404.32
  5. Step 5: Solve for x
    x = 45,689,404.32/8,694
  6. Step 6: Final answer
    x = 5,255.28

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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.