Home / 5,481.25-8,223.93-3,291.55

Finding the Fourth Proportional to 5,481.25, 8,223.93 and 3,291.55

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Solution

The fourth proportional to 5,481.25, 8,223.93 and 3,291.55 is: 4,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.25 : 8,223.93 = 3,291.55 : x
  2. Step 2: Convert to fraction form
    5,481.25/8,223.93 = 3,291.55/x
  3. Step 3: Cross multiply
    5,481.25x = 8,223.93 × 3,291.55
  4. Step 4: Simplify right side
    5,481.25x = 27,069,456.23
  5. Step 5: Solve for x
    x = 27,069,456.23/5,481.25
  6. Step 6: Final answer
    x = 4,938.56

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1.5x scale

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.