Home / 8,140.27-12,209.73-2,593.39

Finding the Fourth Proportional to 8,140.27, 12,209.73 and 2,593.39

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Solution

The fourth proportional to 8,140.27, 12,209.73 and 2,593.39 is: 3,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.27 : 12,209.73 = 2,593.39 : x
  2. Step 2: Convert to fraction form
    8,140.27/12,209.73 = 2,593.39/x
  3. Step 3: Cross multiply
    8,140.27x = 12,209.73 × 2,593.39
  4. Step 4: Simplify right side
    8,140.27x = 31,664,591.68
  5. Step 5: Solve for x
    x = 31,664,591.68/8,140.27
  6. Step 6: Final answer
    x = 3,889.87

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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.