Home / 7,516.80-11,275.20-3,624.48

Finding the Fourth Proportional to 7,516.80, 11,275.20 and 3,624.48

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Solution

The fourth proportional to 7,516.80, 11,275.20 and 3,624.48 is: 5,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.80 : 11,275.20 = 3,624.48 : x
  2. Step 2: Convert to fraction form
    7,516.80/11,275.20 = 3,624.48/x
  3. Step 3: Cross multiply
    7,516.80x = 11,275.20 × 3,624.48
  4. Step 4: Simplify right side
    7,516.80x = 40,866,736.90
  5. Step 5: Solve for x
    x = 40,866,736.90/7,516.80
  6. Step 6: Final answer
    x = 5,436.72

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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.