Home / 6,821.14-9,413.07-3,836.97

Finding the Fourth Proportional to 6,821.14, 9,413.07 and 3,836.97

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Solution

The fourth proportional to 6,821.14, 9,413.07 and 3,836.97 is: 5,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.14 : 9,413.07 = 3,836.97 : x
  2. Step 2: Convert to fraction form
    6,821.14/9,413.07 = 3,836.97/x
  3. Step 3: Cross multiply
    6,821.14x = 9,413.07 × 3,836.97
  4. Step 4: Simplify right side
    6,821.14x = 36,117,674.39
  5. Step 5: Solve for x
    x = 36,117,674.39/6,821.14
  6. Step 6: Final answer
    x = 5,294.96

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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.