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Finding the Fourth Proportional to 5,791.94, 8,687.89 and 2,094.15

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Solution

The fourth proportional to 5,791.94, 8,687.89 and 2,094.15 is: 3,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.94 : 8,687.89 = 2,094.15 : x
  2. Step 2: Convert to fraction form
    5,791.94/8,687.89 = 2,094.15/x
  3. Step 3: Cross multiply
    5,791.94x = 8,687.89 × 2,094.15
  4. Step 4: Simplify right side
    5,791.94x = 18,193,780.04
  5. Step 5: Solve for x
    x = 18,193,780.04/5,791.94
  6. Step 6: Final answer
    x = 3,141.22

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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.