Home / 7,837.26-11,755.96-1,993.88

Finding the Fourth Proportional to 7,837.26, 11,755.96 and 1,993.88

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Solution

The fourth proportional to 7,837.26, 11,755.96 and 1,993.88 is: 2,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.26 : 11,755.96 = 1,993.88 : x
  2. Step 2: Convert to fraction form
    7,837.26/11,755.96 = 1,993.88/x
  3. Step 3: Cross multiply
    7,837.26x = 11,755.96 × 1,993.88
  4. Step 4: Simplify right side
    7,837.26x = 23,439,909.76
  5. Step 5: Solve for x
    x = 23,439,909.76/7,837.26
  6. Step 6: Final answer
    x = 2,990.83

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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.