Home / 5,413.14-8,119.71-1,517.58

Finding the Fourth Proportional to 5,413.14, 8,119.71 and 1,517.58

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Solution

The fourth proportional to 5,413.14, 8,119.71 and 1,517.58 is: 2,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.14 : 8,119.71 = 1,517.58 : x
  2. Step 2: Convert to fraction form
    5,413.14/8,119.71 = 1,517.58/x
  3. Step 3: Cross multiply
    5,413.14x = 8,119.71 × 1,517.58
  4. Step 4: Simplify right side
    5,413.14x = 12,322,309.50
  5. Step 5: Solve for x
    x = 12,322,309.50/5,413.14
  6. Step 6: Final answer
    x = 2,276.37

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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.