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Finding the Fourth Proportional to 6,791.91, 10,181.79 and 4,319.79

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Solution

The fourth proportional to 6,791.91, 10,181.79 and 4,319.79 is: 6,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.91 : 10,181.79 = 4,319.79 : x
  2. Step 2: Convert to fraction form
    6,791.91/10,181.79 = 4,319.79/x
  3. Step 3: Cross multiply
    6,791.91x = 10,181.79 × 4,319.79
  4. Step 4: Simplify right side
    6,791.91x = 43,983,194.62
  5. Step 5: Solve for x
    x = 43,983,194.62/6,791.91
  6. Step 6: Final answer
    x = 6,475.82

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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.