Home / 7,921.33-11,882.03-2,374.79

Finding the Fourth Proportional to 7,921.33, 11,882.03 and 2,374.79

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Solution

The fourth proportional to 7,921.33, 11,882.03 and 2,374.79 is: 3,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.33 : 11,882.03 = 2,374.79 : x
  2. Step 2: Convert to fraction form
    7,921.33/11,882.03 = 2,374.79/x
  3. Step 3: Cross multiply
    7,921.33x = 11,882.03 × 2,374.79
  4. Step 4: Simplify right side
    7,921.33x = 28,217,254.74
  5. Step 5: Solve for x
    x = 28,217,254.74/7,921.33
  6. Step 6: Final answer
    x = 3,562.19

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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.