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Finding the Fourth Proportional to 8,759, 13,143.97 and 3,564.88

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Solution

The fourth proportional to 8,759, 13,143.97 and 3,564.88 is: 5,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759 : 13,143.97 = 3,564.88 : x
  2. Step 2: Convert to fraction form
    8,759/13,143.97 = 3,564.88/x
  3. Step 3: Cross multiply
    8,759x = 13,143.97 × 3,564.88
  4. Step 4: Simplify right side
    8,759x = 46,856,675.77
  5. Step 5: Solve for x
    x = 46,856,675.77/8,759
  6. Step 6: Final answer
    x = 5,349.55

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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.