Home / 8,882.28-13,318.92-5,185.44

Finding the Fourth Proportional to 8,882.28, 13,318.92 and 5,185.44

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Solution

The fourth proportional to 8,882.28, 13,318.92 and 5,185.44 is: 7,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.28 : 13,318.92 = 5,185.44 : x
  2. Step 2: Convert to fraction form
    8,882.28/13,318.92 = 5,185.44/x
  3. Step 3: Cross multiply
    8,882.28x = 13,318.92 × 5,185.44
  4. Step 4: Simplify right side
    8,882.28x = 69,064,460.52
  5. Step 5: Solve for x
    x = 69,064,460.52/8,882.28
  6. Step 6: Final answer
    x = 7,775.53

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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.