Home / 8,110.80-12,167.64-3,182.76

Finding the Fourth Proportional to 8,110.80, 12,167.64 and 3,182.76

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Solution

The fourth proportional to 8,110.80, 12,167.64 and 3,182.76 is: 4,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.80 : 12,167.64 = 3,182.76 : x
  2. Step 2: Convert to fraction form
    8,110.80/12,167.64 = 3,182.76/x
  3. Step 3: Cross multiply
    8,110.80x = 12,167.64 × 3,182.76
  4. Step 4: Simplify right side
    8,110.80x = 38,726,677.89
  5. Step 5: Solve for x
    x = 38,726,677.89/8,110.80
  6. Step 6: Final answer
    x = 4,774.71

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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.