Home / 8,183.80-12,251.40-5,413.60

Finding the Fourth Proportional to 8,183.80, 12,251.40 and 5,413.60

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Solution

The fourth proportional to 8,183.80, 12,251.40 and 5,413.60 is: 8,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.80 : 12,251.40 = 5,413.60 : x
  2. Step 2: Convert to fraction form
    8,183.80/12,251.40 = 5,413.60/x
  3. Step 3: Cross multiply
    8,183.80x = 12,251.40 × 5,413.60
  4. Step 4: Simplify right side
    8,183.80x = 66,324,179.04
  5. Step 5: Solve for x
    x = 66,324,179.04/8,183.80
  6. Step 6: Final answer
    x = 8,104.33

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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.