Home / 8,188.75-12,283.12-5,433.02

Finding the Fourth Proportional to 8,188.75, 12,283.12 and 5,433.02

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Solution

The fourth proportional to 8,188.75, 12,283.12 and 5,433.02 is: 8,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.75 : 12,283.12 = 5,433.02 : x
  2. Step 2: Convert to fraction form
    8,188.75/12,283.12 = 5,433.02/x
  3. Step 3: Cross multiply
    8,188.75x = 12,283.12 × 5,433.02
  4. Step 4: Simplify right side
    8,188.75x = 66,734,481.87
  5. Step 5: Solve for x
    x = 66,734,481.87/8,188.75
  6. Step 6: Final answer
    x = 8,149.54

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Similar ratio
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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.