Home / 7,837.38-11,755.88-1,994.00

Finding the Fourth Proportional to 7,837.38, 11,755.88 and 1,994.00

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Solution

The fourth proportional to 7,837.38, 11,755.88 and 1,994.00 is: 2,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.38 : 11,755.88 = 1,994.00 : x
  2. Step 2: Convert to fraction form
    7,837.38/11,755.88 = 1,994.00/x
  3. Step 3: Cross multiply
    7,837.38x = 11,755.88 × 1,994.00
  4. Step 4: Simplify right side
    7,837.38x = 23,441,155.97
  5. Step 5: Solve for x
    x = 23,441,155.97/7,837.38
  6. Step 6: Final answer
    x = 2,990.94

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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.