Home / 5,413.26-8,114.29-2,080.60

Finding the Fourth Proportional to 5,413.26, 8,114.29 and 2,080.60

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Solution

The fourth proportional to 5,413.26, 8,114.29 and 2,080.60 is: 3,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.26 : 8,114.29 = 2,080.60 : x
  2. Step 2: Convert to fraction form
    5,413.26/8,114.29 = 2,080.60/x
  3. Step 3: Cross multiply
    5,413.26x = 8,114.29 × 2,080.60
  4. Step 4: Simplify right side
    5,413.26x = 16,882,591.77
  5. Step 5: Solve for x
    x = 16,882,591.77/5,413.26
  6. Step 6: Final answer
    x = 3,118.75

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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.