Home / 6,942.73-10,413.42-3,821.71

Finding the Fourth Proportional to 6,942.73, 10,413.42 and 3,821.71

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Solution

The fourth proportional to 6,942.73, 10,413.42 and 3,821.71 is: 5,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.73 : 10,413.42 = 3,821.71 : x
  2. Step 2: Convert to fraction form
    6,942.73/10,413.42 = 3,821.71/x
  3. Step 3: Cross multiply
    6,942.73x = 10,413.42 × 3,821.71
  4. Step 4: Simplify right side
    6,942.73x = 39,797,071.35
  5. Step 5: Solve for x
    x = 39,797,071.35/6,942.73
  6. Step 6: Final answer
    x = 5,732.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.