Home / 7,919.75-11,882.46-2,726.03

Finding the Fourth Proportional to 7,919.75, 11,882.46 and 2,726.03

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Solution

The fourth proportional to 7,919.75, 11,882.46 and 2,726.03 is: 4,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.75 : 11,882.46 = 2,726.03 : x
  2. Step 2: Convert to fraction form
    7,919.75/11,882.46 = 2,726.03/x
  3. Step 3: Cross multiply
    7,919.75x = 11,882.46 × 2,726.03
  4. Step 4: Simplify right side
    7,919.75x = 32,391,942.43
  5. Step 5: Solve for x
    x = 32,391,942.43/7,919.75
  6. Step 6: Final answer
    x = 4,090.02

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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.