Home / 7,882.48-11,825.56-2,617.11

Finding the Fourth Proportional to 7,882.48, 11,825.56 and 2,617.11

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Solution

The fourth proportional to 7,882.48, 11,825.56 and 2,617.11 is: 3,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.48 : 11,825.56 = 2,617.11 : x
  2. Step 2: Convert to fraction form
    7,882.48/11,825.56 = 2,617.11/x
  3. Step 3: Cross multiply
    7,882.48x = 11,825.56 × 2,617.11
  4. Step 4: Simplify right side
    7,882.48x = 30,948,794.60
  5. Step 5: Solve for x
    x = 30,948,794.60/7,882.48
  6. Step 6: Final answer
    x = 3,926.28

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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.