Home / 8,132.28-12,195.86-2,659

Finding the Fourth Proportional to 8,132.28, 12,195.86 and 2,659

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Solution

The fourth proportional to 8,132.28, 12,195.86 and 2,659 is: 3,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.28 : 12,195.86 = 2,659 : x
  2. Step 2: Convert to fraction form
    8,132.28/12,195.86 = 2,659/x
  3. Step 3: Cross multiply
    8,132.28x = 12,195.86 × 2,659
  4. Step 4: Simplify right side
    8,132.28x = 32,428,791.74
  5. Step 5: Solve for x
    x = 32,428,791.74/8,132.28
  6. Step 6: Final answer
    x = 3,987.66

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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.