Home / 5,451.73-8,180.55-4,221.55

Finding the Fourth Proportional to 5,451.73, 8,180.55 and 4,221.55

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Solution

The fourth proportional to 5,451.73, 8,180.55 and 4,221.55 is: 6,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.73 : 8,180.55 = 4,221.55 : x
  2. Step 2: Convert to fraction form
    5,451.73/8,180.55 = 4,221.55/x
  3. Step 3: Cross multiply
    5,451.73x = 8,180.55 × 4,221.55
  4. Step 4: Simplify right side
    5,451.73x = 34,534,600.85
  5. Step 5: Solve for x
    x = 34,534,600.85/5,451.73
  6. Step 6: Final answer
    x = 6,334.61

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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.