Home / 6,821.06-9,413.89-3,837.02

Finding the Fourth Proportional to 6,821.06, 9,413.89 and 3,837.02

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Solution

The fourth proportional to 6,821.06, 9,413.89 and 3,837.02 is: 5,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.06 : 9,413.89 = 3,837.02 : x
  2. Step 2: Convert to fraction form
    6,821.06/9,413.89 = 3,837.02/x
  3. Step 3: Cross multiply
    6,821.06x = 9,413.89 × 3,837.02
  4. Step 4: Simplify right side
    6,821.06x = 36,121,227.55
  5. Step 5: Solve for x
    x = 36,121,227.55/6,821.06
  6. Step 6: Final answer
    x = 5,295.55

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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.