Home / 8,839.60-13,257.34-3,906.55

Finding the Fourth Proportional to 8,839.60, 13,257.34 and 3,906.55

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Solution

The fourth proportional to 8,839.60, 13,257.34 and 3,906.55 is: 5,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.60 : 13,257.34 = 3,906.55 : x
  2. Step 2: Convert to fraction form
    8,839.60/13,257.34 = 3,906.55/x
  3. Step 3: Cross multiply
    8,839.60x = 13,257.34 × 3,906.55
  4. Step 4: Simplify right side
    8,839.60x = 51,790,461.58
  5. Step 5: Solve for x
    x = 51,790,461.58/8,839.60
  6. Step 6: Final answer
    x = 5,858.91

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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.