Home / 5,413.20-8,120.31-1,517.59

Finding the Fourth Proportional to 5,413.20, 8,120.31 and 1,517.59

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Solution

The fourth proportional to 5,413.20, 8,120.31 and 1,517.59 is: 2,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.20 : 8,120.31 = 1,517.59 : x
  2. Step 2: Convert to fraction form
    5,413.20/8,120.31 = 1,517.59/x
  3. Step 3: Cross multiply
    5,413.20x = 8,120.31 × 1,517.59
  4. Step 4: Simplify right side
    5,413.20x = 12,323,301.25
  5. Step 5: Solve for x
    x = 12,323,301.25/5,413.20
  6. Step 6: Final answer
    x = 2,276.53

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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.