Home / 9,413.54-14,120.42-2,839.79

Finding the Fourth Proportional to 9,413.54, 14,120.42 and 2,839.79

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Solution

The fourth proportional to 9,413.54, 14,120.42 and 2,839.79 is: 4,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.54 : 14,120.42 = 2,839.79 : x
  2. Step 2: Convert to fraction form
    9,413.54/14,120.42 = 2,839.79/x
  3. Step 3: Cross multiply
    9,413.54x = 14,120.42 × 2,839.79
  4. Step 4: Simplify right side
    9,413.54x = 40,098,942.71
  5. Step 5: Solve for x
    x = 40,098,942.71/9,413.54
  6. Step 6: Final answer
    x = 4,259.71

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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.