Home / 7,438.52-11,151.12-2,824.76

Finding the Fourth Proportional to 7,438.52, 11,151.12 and 2,824.76

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Solution

The fourth proportional to 7,438.52, 11,151.12 and 2,824.76 is: 4,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.52 : 11,151.12 = 2,824.76 : x
  2. Step 2: Convert to fraction form
    7,438.52/11,151.12 = 2,824.76/x
  3. Step 3: Cross multiply
    7,438.52x = 11,151.12 × 2,824.76
  4. Step 4: Simplify right side
    7,438.52x = 31,499,237.73
  5. Step 5: Solve for x
    x = 31,499,237.73/7,438.52
  6. Step 6: Final answer
    x = 4,234.61

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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.