Home / 8,110.60-12,171.30-3,725.80

Finding the Fourth Proportional to 8,110.60, 12,171.30 and 3,725.80

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Solution

The fourth proportional to 8,110.60, 12,171.30 and 3,725.80 is: 5,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.60 : 12,171.30 = 3,725.80 : x
  2. Step 2: Convert to fraction form
    8,110.60/12,171.30 = 3,725.80/x
  3. Step 3: Cross multiply
    8,110.60x = 12,171.30 × 3,725.80
  4. Step 4: Simplify right side
    8,110.60x = 45,347,829.54
  5. Step 5: Solve for x
    x = 45,347,829.54/8,110.60
  6. Step 6: Final answer
    x = 5,591.18

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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.