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Finding the Fourth Proportional to 6,444.92, 8,893.56 and 3,791.81

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Solution

The fourth proportional to 6,444.92, 8,893.56 and 3,791.81 is: 5,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.92 : 8,893.56 = 3,791.81 : x
  2. Step 2: Convert to fraction form
    6,444.92/8,893.56 = 3,791.81/x
  3. Step 3: Cross multiply
    6,444.92x = 8,893.56 × 3,791.81
  4. Step 4: Simplify right side
    6,444.92x = 33,722,689.74
  5. Step 5: Solve for x
    x = 33,722,689.74/6,444.92
  6. Step 6: Final answer
    x = 5,232.45

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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.