Home / 5,520.54-8,280.90-5,512.44

Finding the Fourth Proportional to 5,520.54, 8,280.90 and 5,512.44

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Solution

The fourth proportional to 5,520.54, 8,280.90 and 5,512.44 is: 8,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.54 : 8,280.90 = 5,512.44 : x
  2. Step 2: Convert to fraction form
    5,520.54/8,280.90 = 5,512.44/x
  3. Step 3: Cross multiply
    5,520.54x = 8,280.90 × 5,512.44
  4. Step 4: Simplify right side
    5,520.54x = 45,647,964.40
  5. Step 5: Solve for x
    x = 45,647,964.40/5,520.54
  6. Step 6: Final answer
    x = 8,268.75

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Double scale
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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.