Home / 5,413.28-8,119.89-1,517.68

Finding the Fourth Proportional to 5,413.28, 8,119.89 and 1,517.68

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Solution

The fourth proportional to 5,413.28, 8,119.89 and 1,517.68 is: 2,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.28 : 8,119.89 = 1,517.68 : x
  2. Step 2: Convert to fraction form
    5,413.28/8,119.89 = 1,517.68/x
  3. Step 3: Cross multiply
    5,413.28x = 8,119.89 × 1,517.68
  4. Step 4: Simplify right side
    5,413.28x = 12,323,387.07
  5. Step 5: Solve for x
    x = 12,323,387.07/5,413.28
  6. Step 6: Final answer
    x = 2,276.51

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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.