Home / 5,481.56-8,218.49-3,722.24

Finding the Fourth Proportional to 5,481.56, 8,218.49 and 3,722.24

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Solution

The fourth proportional to 5,481.56, 8,218.49 and 3,722.24 is: 5,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.56 : 8,218.49 = 3,722.24 : x
  2. Step 2: Convert to fraction form
    5,481.56/8,218.49 = 3,722.24/x
  3. Step 3: Cross multiply
    5,481.56x = 8,218.49 × 3,722.24
  4. Step 4: Simplify right side
    5,481.56x = 30,591,132.51
  5. Step 5: Solve for x
    x = 30,591,132.51/5,481.56
  6. Step 6: Final answer
    x = 5,580.74

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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.