Home / 6,635.28-9,951.78-2,191.56

Finding the Fourth Proportional to 6,635.28, 9,951.78 and 2,191.56

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Solution

The fourth proportional to 6,635.28, 9,951.78 and 2,191.56 is: 3,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.28 : 9,951.78 = 2,191.56 : x
  2. Step 2: Convert to fraction form
    6,635.28/9,951.78 = 2,191.56/x
  3. Step 3: Cross multiply
    6,635.28x = 9,951.78 × 2,191.56
  4. Step 4: Simplify right side
    6,635.28x = 21,809,922.98
  5. Step 5: Solve for x
    x = 21,809,922.98/6,635.28
  6. Step 6: Final answer
    x = 3,286.96

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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.