Home / 7,517.11-11,275.67-4,747.99

Finding the Fourth Proportional to 7,517.11, 11,275.67 and 4,747.99

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Solution

The fourth proportional to 7,517.11, 11,275.67 and 4,747.99 is: 7,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.11 : 11,275.67 = 4,747.99 : x
  2. Step 2: Convert to fraction form
    7,517.11/11,275.67 = 4,747.99/x
  3. Step 3: Cross multiply
    7,517.11x = 11,275.67 × 4,747.99
  4. Step 4: Simplify right side
    7,517.11x = 53,536,768.40
  5. Step 5: Solve for x
    x = 53,536,768.40/7,517.11
  6. Step 6: Final answer
    x = 7,121.99

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Double scale
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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.