Home / 5,481.55-8,207.70-2,879.02

Finding the Fourth Proportional to 5,481.55, 8,207.70 and 2,879.02

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Solution

The fourth proportional to 5,481.55, 8,207.70 and 2,879.02 is: 4,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.55 : 8,207.70 = 2,879.02 : x
  2. Step 2: Convert to fraction form
    5,481.55/8,207.70 = 2,879.02/x
  3. Step 3: Cross multiply
    5,481.55x = 8,207.70 × 2,879.02
  4. Step 4: Simplify right side
    5,481.55x = 23,630,132.45
  5. Step 5: Solve for x
    x = 23,630,132.45/5,481.55
  6. Step 6: Final answer
    x = 4,310.85

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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.