Home / 7,211.24-9,951.76-4,227.36

Finding the Fourth Proportional to 7,211.24, 9,951.76 and 4,227.36

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Solution

The fourth proportional to 7,211.24, 9,951.76 and 4,227.36 is: 5,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.24 : 9,951.76 = 4,227.36 : x
  2. Step 2: Convert to fraction form
    7,211.24/9,951.76 = 4,227.36/x
  3. Step 3: Cross multiply
    7,211.24x = 9,951.76 × 4,227.36
  4. Step 4: Simplify right side
    7,211.24x = 42,069,672.15
  5. Step 5: Solve for x
    x = 42,069,672.15/7,211.24
  6. Step 6: Final answer
    x = 5,833.90

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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.