Home / 8,177.28-12,262.05-2,629.13

Finding the Fourth Proportional to 8,177.28, 12,262.05 and 2,629.13

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Solution

The fourth proportional to 8,177.28, 12,262.05 and 2,629.13 is: 3,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.28 : 12,262.05 = 2,629.13 : x
  2. Step 2: Convert to fraction form
    8,177.28/12,262.05 = 2,629.13/x
  3. Step 3: Cross multiply
    8,177.28x = 12,262.05 × 2,629.13
  4. Step 4: Simplify right side
    8,177.28x = 32,238,523.52
  5. Step 5: Solve for x
    x = 32,238,523.52/8,177.28
  6. Step 6: Final answer
    x = 3,942.45

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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.