Home / 5,512.61-8,280.22-3,641.26

Finding the Fourth Proportional to 5,512.61, 8,280.22 and 3,641.26

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Solution

The fourth proportional to 5,512.61, 8,280.22 and 3,641.26 is: 5,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.61 : 8,280.22 = 3,641.26 : x
  2. Step 2: Convert to fraction form
    5,512.61/8,280.22 = 3,641.26/x
  3. Step 3: Cross multiply
    5,512.61x = 8,280.22 × 3,641.26
  4. Step 4: Simplify right side
    5,512.61x = 30,150,433.88
  5. Step 5: Solve for x
    x = 30,150,433.88/5,512.61
  6. Step 6: Final answer
    x = 5,469.36

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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.