Home / 8,155.80-12,232.08-2,607.66

Finding the Fourth Proportional to 8,155.80, 12,232.08 and 2,607.66

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Solution

The fourth proportional to 8,155.80, 12,232.08 and 2,607.66 is: 3,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.80 : 12,232.08 = 2,607.66 : x
  2. Step 2: Convert to fraction form
    8,155.80/12,232.08 = 2,607.66/x
  3. Step 3: Cross multiply
    8,155.80x = 12,232.08 × 2,607.66
  4. Step 4: Simplify right side
    8,155.80x = 31,897,105.73
  5. Step 5: Solve for x
    x = 31,897,105.73/8,155.80
  6. Step 6: Final answer
    x = 3,910.97

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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.