Home / 7,910.91-11,861.49-3,227.10

Finding the Fourth Proportional to 7,910.91, 11,861.49 and 3,227.10

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Solution

The fourth proportional to 7,910.91, 11,861.49 and 3,227.10 is: 4,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.91 : 11,861.49 = 3,227.10 : x
  2. Step 2: Convert to fraction form
    7,910.91/11,861.49 = 3,227.10/x
  3. Step 3: Cross multiply
    7,910.91x = 11,861.49 × 3,227.10
  4. Step 4: Simplify right side
    7,910.91x = 38,278,214.38
  5. Step 5: Solve for x
    x = 38,278,214.38/7,910.91
  6. Step 6: Final answer
    x = 4,838.66

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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.