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Finding the Fourth Proportional to 5,991.26, 8,979.72 and 3,912.26

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Solution

The fourth proportional to 5,991.26, 8,979.72 and 3,912.26 is: 5,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.26 : 8,979.72 = 3,912.26 : x
  2. Step 2: Convert to fraction form
    5,991.26/8,979.72 = 3,912.26/x
  3. Step 3: Cross multiply
    5,991.26x = 8,979.72 × 3,912.26
  4. Step 4: Simplify right side
    5,991.26x = 35,130,999.37
  5. Step 5: Solve for x
    x = 35,130,999.37/5,991.26
  6. Step 6: Final answer
    x = 5,863.71

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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.