Home / 8,882.38-13,309.80-6,245.20

Finding the Fourth Proportional to 8,882.38, 13,309.80 and 6,245.20

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Solution

The fourth proportional to 8,882.38, 13,309.80 and 6,245.20 is: 9,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.38 : 13,309.80 = 6,245.20 : x
  2. Step 2: Convert to fraction form
    8,882.38/13,309.80 = 6,245.20/x
  3. Step 3: Cross multiply
    8,882.38x = 13,309.80 × 6,245.20
  4. Step 4: Simplify right side
    8,882.38x = 83,122,362.96
  5. Step 5: Solve for x
    x = 83,122,362.96/8,882.38
  6. Step 6: Final answer
    x = 9,358.12

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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.