Home / 6,144.80-8,480.45-3,627.73

Finding the Fourth Proportional to 6,144.80, 8,480.45 and 3,627.73

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Solution

The fourth proportional to 6,144.80, 8,480.45 and 3,627.73 is: 5,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.80 : 8,480.45 = 3,627.73 : x
  2. Step 2: Convert to fraction form
    6,144.80/8,480.45 = 3,627.73/x
  3. Step 3: Cross multiply
    6,144.80x = 8,480.45 × 3,627.73
  4. Step 4: Simplify right side
    6,144.80x = 30,764,770.75
  5. Step 5: Solve for x
    x = 30,764,770.75/6,144.80
  6. Step 6: Final answer
    x = 5,006.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.