Home / 7,938.73-11,906.07-2,672.92

Finding the Fourth Proportional to 7,938.73, 11,906.07 and 2,672.92

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Solution

The fourth proportional to 7,938.73, 11,906.07 and 2,672.92 is: 4,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.73 : 11,906.07 = 2,672.92 : x
  2. Step 2: Convert to fraction form
    7,938.73/11,906.07 = 2,672.92/x
  3. Step 3: Cross multiply
    7,938.73x = 11,906.07 × 2,672.92
  4. Step 4: Simplify right side
    7,938.73x = 31,823,972.62
  5. Step 5: Solve for x
    x = 31,823,972.62/7,938.73
  6. Step 6: Final answer
    x = 4,008.70

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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.