Home / 5,512.20-8,255.34-4,269.72

Finding the Fourth Proportional to 5,512.20, 8,255.34 and 4,269.72

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Solution

The fourth proportional to 5,512.20, 8,255.34 and 4,269.72 is: 6,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.20 : 8,255.34 = 4,269.72 : x
  2. Step 2: Convert to fraction form
    5,512.20/8,255.34 = 4,269.72/x
  3. Step 3: Cross multiply
    5,512.20x = 8,255.34 × 4,269.72
  4. Step 4: Simplify right side
    5,512.20x = 35,247,990.30
  5. Step 5: Solve for x
    x = 35,247,990.30/5,512.20
  6. Step 6: Final answer
    x = 6,394.54

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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.