Home / 5,481.27-8,219.34-2,361.15

Finding the Fourth Proportional to 5,481.27, 8,219.34 and 2,361.15

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Solution

The fourth proportional to 5,481.27, 8,219.34 and 2,361.15 is: 3,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.27 : 8,219.34 = 2,361.15 : x
  2. Step 2: Convert to fraction form
    5,481.27/8,219.34 = 2,361.15/x
  3. Step 3: Cross multiply
    5,481.27x = 8,219.34 × 2,361.15
  4. Step 4: Simplify right side
    5,481.27x = 19,407,094.64
  5. Step 5: Solve for x
    x = 19,407,094.64/5,481.27
  6. Step 6: Final answer
    x = 3,540.62

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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.