Home / 7,413.46-11,121.77-2,733.48

Finding the Fourth Proportional to 7,413.46, 11,121.77 and 2,733.48

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Solution

The fourth proportional to 7,413.46, 11,121.77 and 2,733.48 is: 4,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.46 : 11,121.77 = 2,733.48 : x
  2. Step 2: Convert to fraction form
    7,413.46/11,121.77 = 2,733.48/x
  3. Step 3: Cross multiply
    7,413.46x = 11,121.77 × 2,733.48
  4. Step 4: Simplify right side
    7,413.46x = 30,401,142.69
  5. Step 5: Solve for x
    x = 30,401,142.69/7,413.46
  6. Step 6: Final answer
    x = 4,100.80

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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.