Home / 5,520.48-8,278.40-2,232.70

Finding the Fourth Proportional to 5,520.48, 8,278.40 and 2,232.70

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Solution

The fourth proportional to 5,520.48, 8,278.40 and 2,232.70 is: 3,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.48 : 8,278.40 = 2,232.70 : x
  2. Step 2: Convert to fraction form
    5,520.48/8,278.40 = 2,232.70/x
  3. Step 3: Cross multiply
    5,520.48x = 8,278.40 × 2,232.70
  4. Step 4: Simplify right side
    5,520.48x = 18,483,183.68
  5. Step 5: Solve for x
    x = 18,483,183.68/5,520.48
  6. Step 6: Final answer
    x = 3,348.11

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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.