Home / 5,474.86-8,217.48-3,388.55

Finding the Fourth Proportional to 5,474.86, 8,217.48 and 3,388.55

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Solution

The fourth proportional to 5,474.86, 8,217.48 and 3,388.55 is: 5,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.86 : 8,217.48 = 3,388.55 : x
  2. Step 2: Convert to fraction form
    5,474.86/8,217.48 = 3,388.55/x
  3. Step 3: Cross multiply
    5,474.86x = 8,217.48 × 3,388.55
  4. Step 4: Simplify right side
    5,474.86x = 27,845,356.04
  5. Step 5: Solve for x
    x = 27,845,356.04/5,474.86
  6. Step 6: Final answer
    x = 5,086.04

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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.