Home / 5,481.27-8,210.03-3,401.78

Finding the Fourth Proportional to 5,481.27, 8,210.03 and 3,401.78

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Solution

The fourth proportional to 5,481.27, 8,210.03 and 3,401.78 is: 5,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.27 : 8,210.03 = 3,401.78 : x
  2. Step 2: Convert to fraction form
    5,481.27/8,210.03 = 3,401.78/x
  3. Step 3: Cross multiply
    5,481.27x = 8,210.03 × 3,401.78
  4. Step 4: Simplify right side
    5,481.27x = 27,928,657.79
  5. Step 5: Solve for x
    x = 27,928,657.79/5,481.27
  6. Step 6: Final answer
    x = 5,095.29

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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.