Home / 6,821.53-9,413.61-3,837.36

Finding the Fourth Proportional to 6,821.53, 9,413.61 and 3,837.36

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Solution

The fourth proportional to 6,821.53, 9,413.61 and 3,837.36 is: 5,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.53 : 9,413.61 = 3,837.36 : x
  2. Step 2: Convert to fraction form
    6,821.53/9,413.61 = 3,837.36/x
  3. Step 3: Cross multiply
    6,821.53x = 9,413.61 × 3,837.36
  4. Step 4: Simplify right side
    6,821.53x = 36,123,410.47
  5. Step 5: Solve for x
    x = 36,123,410.47/6,821.53
  6. Step 6: Final answer
    x = 5,295.50

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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.