Home / 7,445.28-11,169.76-2,250.88

Finding the Fourth Proportional to 7,445.28, 11,169.76 and 2,250.88

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Solution

The fourth proportional to 7,445.28, 11,169.76 and 2,250.88 is: 3,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.28 : 11,169.76 = 2,250.88 : x
  2. Step 2: Convert to fraction form
    7,445.28/11,169.76 = 2,250.88/x
  3. Step 3: Cross multiply
    7,445.28x = 11,169.76 × 2,250.88
  4. Step 4: Simplify right side
    7,445.28x = 25,141,789.39
  5. Step 5: Solve for x
    x = 25,141,789.39/7,445.28
  6. Step 6: Final answer
    x = 3,376.88

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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.