Home / 8,111.25-12,166.88-2,267.85

Finding the Fourth Proportional to 8,111.25, 12,166.88 and 2,267.85

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Solution

The fourth proportional to 8,111.25, 12,166.88 and 2,267.85 is: 3,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.25 : 12,166.88 = 2,267.85 : x
  2. Step 2: Convert to fraction form
    8,111.25/12,166.88 = 2,267.85/x
  3. Step 3: Cross multiply
    8,111.25x = 12,166.88 × 2,267.85
  4. Step 4: Simplify right side
    8,111.25x = 27,592,658.81
  5. Step 5: Solve for x
    x = 27,592,658.81/8,111.25
  6. Step 6: Final answer
    x = 3,401.78

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Similar ratio
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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.