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Finding the Fourth Proportional to 6,444.42, 8,892.87 and 3,791.31

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Solution

The fourth proportional to 6,444.42, 8,892.87 and 3,791.31 is: 5,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.42 : 8,892.87 = 3,791.31 : x
  2. Step 2: Convert to fraction form
    6,444.42/8,892.87 = 3,791.31/x
  3. Step 3: Cross multiply
    6,444.42x = 8,892.87 × 3,791.31
  4. Step 4: Simplify right side
    6,444.42x = 33,715,626.96
  5. Step 5: Solve for x
    x = 33,715,626.96/6,444.42
  6. Step 6: Final answer
    x = 5,231.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.