Home / 8,170.22-12,255.29-2,326.82

Finding the Fourth Proportional to 8,170.22, 12,255.29 and 2,326.82

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Solution

The fourth proportional to 8,170.22, 12,255.29 and 2,326.82 is: 3,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.22 : 12,255.29 = 2,326.82 : x
  2. Step 2: Convert to fraction form
    8,170.22/12,255.29 = 2,326.82/x
  3. Step 3: Cross multiply
    8,170.22x = 12,255.29 × 2,326.82
  4. Step 4: Simplify right side
    8,170.22x = 28,515,780.97
  5. Step 5: Solve for x
    x = 28,515,780.97/8,170.22
  6. Step 6: Final answer
    x = 3,490.21

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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.