Home / 5,517.57-8,276.49-1,413.57

Finding the Fourth Proportional to 5,517.57, 8,276.49 and 1,413.57

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Solution

The fourth proportional to 5,517.57, 8,276.49 and 1,413.57 is: 2,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.57 : 8,276.49 = 1,413.57 : x
  2. Step 2: Convert to fraction form
    5,517.57/8,276.49 = 1,413.57/x
  3. Step 3: Cross multiply
    5,517.57x = 8,276.49 × 1,413.57
  4. Step 4: Simplify right side
    5,517.57x = 11,699,397.97
  5. Step 5: Solve for x
    x = 11,699,397.97/5,517.57
  6. Step 6: Final answer
    x = 2,120.39

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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.