Home / 8,180.52-12,272.74-2,634.38

Finding the Fourth Proportional to 8,180.52, 12,272.74 and 2,634.38

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Solution

The fourth proportional to 8,180.52, 12,272.74 and 2,634.38 is: 3,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.52 : 12,272.74 = 2,634.38 : x
  2. Step 2: Convert to fraction form
    8,180.52/12,272.74 = 2,634.38/x
  3. Step 3: Cross multiply
    8,180.52x = 12,272.74 × 2,634.38
  4. Step 4: Simplify right side
    8,180.52x = 32,331,060.80
  5. Step 5: Solve for x
    x = 32,331,060.80/8,180.52
  6. Step 6: Final answer
    x = 3,952.20

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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.