Home / 7,836.83-11,755.31-1,993.43

Finding the Fourth Proportional to 7,836.83, 11,755.31 and 1,993.43

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Solution

The fourth proportional to 7,836.83, 11,755.31 and 1,993.43 is: 2,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.83 : 11,755.31 = 1,993.43 : x
  2. Step 2: Convert to fraction form
    7,836.83/11,755.31 = 1,993.43/x
  3. Step 3: Cross multiply
    7,836.83x = 11,755.31 × 1,993.43
  4. Step 4: Simplify right side
    7,836.83x = 23,433,387.61
  5. Step 5: Solve for x
    x = 23,433,387.61/7,836.83
  6. Step 6: Final answer
    x = 2,990.16

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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.