Home / 6,821.62-9,413.17-3,837.39

Finding the Fourth Proportional to 6,821.62, 9,413.17 and 3,837.39

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Solution

The fourth proportional to 6,821.62, 9,413.17 and 3,837.39 is: 5,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.62 : 9,413.17 = 3,837.39 : x
  2. Step 2: Convert to fraction form
    6,821.62/9,413.17 = 3,837.39/x
  3. Step 3: Cross multiply
    6,821.62x = 9,413.17 × 3,837.39
  4. Step 4: Simplify right side
    6,821.62x = 36,122,004.43
  5. Step 5: Solve for x
    x = 36,122,004.43/6,821.62
  6. Step 6: Final answer
    x = 5,295.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.