Home / 6,821.74-9,413.86-3,837.54

Finding the Fourth Proportional to 6,821.74, 9,413.86 and 3,837.54

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Solution

The fourth proportional to 6,821.74, 9,413.86 and 3,837.54 is: 5,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.74 : 9,413.86 = 3,837.54 : x
  2. Step 2: Convert to fraction form
    6,821.74/9,413.86 = 3,837.54/x
  3. Step 3: Cross multiply
    6,821.74x = 9,413.86 × 3,837.54
  4. Step 4: Simplify right side
    6,821.74x = 36,126,045.12
  5. Step 5: Solve for x
    x = 36,126,045.12/6,821.74
  6. Step 6: Final answer
    x = 5,295.73

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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.