Home / 5,321.56-7,982.38-2,201.08

Finding the Fourth Proportional to 5,321.56, 7,982.38 and 2,201.08

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Solution

The fourth proportional to 5,321.56, 7,982.38 and 2,201.08 is: 3,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.56 : 7,982.38 = 2,201.08 : x
  2. Step 2: Convert to fraction form
    5,321.56/7,982.38 = 2,201.08/x
  3. Step 3: Cross multiply
    5,321.56x = 7,982.38 × 2,201.08
  4. Step 4: Simplify right side
    5,321.56x = 17,569,856.97
  5. Step 5: Solve for x
    x = 17,569,856.97/5,321.56
  6. Step 6: Final answer
    x = 3,301.64

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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.