Home / 8,176.88-12,265.35-2,253.85

Finding the Fourth Proportional to 8,176.88, 12,265.35 and 2,253.85

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Solution

The fourth proportional to 8,176.88, 12,265.35 and 2,253.85 is: 3,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.88 : 12,265.35 = 2,253.85 : x
  2. Step 2: Convert to fraction form
    8,176.88/12,265.35 = 2,253.85/x
  3. Step 3: Cross multiply
    8,176.88x = 12,265.35 × 2,253.85
  4. Step 4: Simplify right side
    8,176.88x = 27,644,259.10
  5. Step 5: Solve for x
    x = 27,644,259.10/8,176.88
  6. Step 6: Final answer
    x = 3,380.78

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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.