Home / 5,413.30-8,121.38-2,293.43

Finding the Fourth Proportional to 5,413.30, 8,121.38 and 2,293.43

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Solution

The fourth proportional to 5,413.30, 8,121.38 and 2,293.43 is: 3,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.30 : 8,121.38 = 2,293.43 : x
  2. Step 2: Convert to fraction form
    5,413.30/8,121.38 = 2,293.43/x
  3. Step 3: Cross multiply
    5,413.30x = 8,121.38 × 2,293.43
  4. Step 4: Simplify right side
    5,413.30x = 18,625,823.04
  5. Step 5: Solve for x
    x = 18,625,823.04/5,413.30
  6. Step 6: Final answer
    x = 3,440.75

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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.