Home / 7,882.80-11,824.20-4,371.14

Finding the Fourth Proportional to 7,882.80, 11,824.20 and 4,371.14

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Solution

The fourth proportional to 7,882.80, 11,824.20 and 4,371.14 is: 6,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.80 : 11,824.20 = 4,371.14 : x
  2. Step 2: Convert to fraction form
    7,882.80/11,824.20 = 4,371.14/x
  3. Step 3: Cross multiply
    7,882.80x = 11,824.20 × 4,371.14
  4. Step 4: Simplify right side
    7,882.80x = 51,685,233.59
  5. Step 5: Solve for x
    x = 51,685,233.59/7,882.80
  6. Step 6: Final answer
    x = 6,556.71

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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.