Home / 7,839.93-11,759.82-1,996.53

Finding the Fourth Proportional to 7,839.93, 11,759.82 and 1,996.53

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Solution

The fourth proportional to 7,839.93, 11,759.82 and 1,996.53 is: 2,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.93 : 11,759.82 = 1,996.53 : x
  2. Step 2: Convert to fraction form
    7,839.93/11,759.82 = 1,996.53/x
  3. Step 3: Cross multiply
    7,839.93x = 11,759.82 × 1,996.53
  4. Step 4: Simplify right side
    7,839.93x = 23,478,833.42
  5. Step 5: Solve for x
    x = 23,478,833.42/7,839.93
  6. Step 6: Final answer
    x = 2,994.78

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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.