Home / 8,132.18-12,198.74-2,585.97

Finding the Fourth Proportional to 8,132.18, 12,198.74 and 2,585.97

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Solution

The fourth proportional to 8,132.18, 12,198.74 and 2,585.97 is: 3,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.18 : 12,198.74 = 2,585.97 : x
  2. Step 2: Convert to fraction form
    8,132.18/12,198.74 = 2,585.97/x
  3. Step 3: Cross multiply
    8,132.18x = 12,198.74 × 2,585.97
  4. Step 4: Simplify right side
    8,132.18x = 31,545,562.75
  5. Step 5: Solve for x
    x = 31,545,562.75/8,132.18
  6. Step 6: Final answer
    x = 3,879.11

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1.5x scale

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.