Home / 6,821.45-9,413.50-3,837.29

Finding the Fourth Proportional to 6,821.45, 9,413.50 and 3,837.29

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Solution

The fourth proportional to 6,821.45, 9,413.50 and 3,837.29 is: 5,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.45 : 9,413.50 = 3,837.29 : x
  2. Step 2: Convert to fraction form
    6,821.45/9,413.50 = 3,837.29/x
  3. Step 3: Cross multiply
    6,821.45x = 9,413.50 × 3,837.29
  4. Step 4: Simplify right side
    6,821.45x = 36,122,282.35
  5. Step 5: Solve for x
    x = 36,122,282.35/6,821.45
  6. Step 6: Final answer
    x = 5,295.40

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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.