Home / 7,311.05-10,968.19-3,413.33

Finding the Fourth Proportional to 7,311.05, 10,968.19 and 3,413.33

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Solution

The fourth proportional to 7,311.05, 10,968.19 and 3,413.33 is: 5,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.05 : 10,968.19 = 3,413.33 : x
  2. Step 2: Convert to fraction form
    7,311.05/10,968.19 = 3,413.33/x
  3. Step 3: Cross multiply
    7,311.05x = 10,968.19 × 3,413.33
  4. Step 4: Simplify right side
    7,311.05x = 37,438,029.73
  5. Step 5: Solve for x
    x = 37,438,029.73/7,311.05
  6. Step 6: Final answer
    x = 5,120.75

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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.