Home / 7,211.91-9,951.66-4,227.15

Finding the Fourth Proportional to 7,211.91, 9,951.66 and 4,227.15

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Solution

The fourth proportional to 7,211.91, 9,951.66 and 4,227.15 is: 5,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.91 : 9,951.66 = 4,227.15 : x
  2. Step 2: Convert to fraction form
    7,211.91/9,951.66 = 4,227.15/x
  3. Step 3: Cross multiply
    7,211.91x = 9,951.66 × 4,227.15
  4. Step 4: Simplify right side
    7,211.91x = 42,067,159.57
  5. Step 5: Solve for x
    x = 42,067,159.57/7,211.91
  6. Step 6: Final answer
    x = 5,833.01

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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.