Home / 5,227.86-7,211.17-3,101.89

Finding the Fourth Proportional to 5,227.86, 7,211.17 and 3,101.89

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Solution

The fourth proportional to 5,227.86, 7,211.17 and 3,101.89 is: 4,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.86 : 7,211.17 = 3,101.89 : x
  2. Step 2: Convert to fraction form
    5,227.86/7,211.17 = 3,101.89/x
  3. Step 3: Cross multiply
    5,227.86x = 7,211.17 × 3,101.89
  4. Step 4: Simplify right side
    5,227.86x = 22,368,248.36
  5. Step 5: Solve for x
    x = 22,368,248.36/5,227.86
  6. Step 6: Final answer
    x = 4,278.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.