Home / 5,413.22-8,120.33-1,517.66

Finding the Fourth Proportional to 5,413.22, 8,120.33 and 1,517.66

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Solution

The fourth proportional to 5,413.22, 8,120.33 and 1,517.66 is: 2,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.22 : 8,120.33 = 1,517.66 : x
  2. Step 2: Convert to fraction form
    5,413.22/8,120.33 = 1,517.66/x
  3. Step 3: Cross multiply
    5,413.22x = 8,120.33 × 1,517.66
  4. Step 4: Simplify right side
    5,413.22x = 12,323,900.03
  5. Step 5: Solve for x
    x = 12,323,900.03/5,413.22
  6. Step 6: Final answer
    x = 2,276.63

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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.