Home / 7,944.75-11,917.14-2,472.75

Finding the Fourth Proportional to 7,944.75, 11,917.14 and 2,472.75

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Solution

The fourth proportional to 7,944.75, 11,917.14 and 2,472.75 is: 3,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.75 : 11,917.14 = 2,472.75 : x
  2. Step 2: Convert to fraction form
    7,944.75/11,917.14 = 2,472.75/x
  3. Step 3: Cross multiply
    7,944.75x = 11,917.14 × 2,472.75
  4. Step 4: Simplify right side
    7,944.75x = 29,468,107.94
  5. Step 5: Solve for x
    x = 29,468,107.94/7,944.75
  6. Step 6: Final answer
    x = 3,709.13

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Similar ratio
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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.