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Finding the Fourth Proportional to 3,998.63, 6,001.52 and 3,983.75

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Solution

The fourth proportional to 3,998.63, 6,001.52 and 3,983.75 is: 5,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.63 : 6,001.52 = 3,983.75 : x
  2. Step 2: Convert to fraction form
    3,998.63/6,001.52 = 3,983.75/x
  3. Step 3: Cross multiply
    3,998.63x = 6,001.52 × 3,983.75
  4. Step 4: Simplify right side
    3,998.63x = 23,908,527.88
  5. Step 5: Solve for x
    x = 23,908,527.88/3,998.63
  6. Step 6: Final answer
    x = 5,979.18

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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.