Home / 9,380.56-14,078.66-4,939.81

Finding the Fourth Proportional to 9,380.56, 14,078.66 and 4,939.81

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Solution

The fourth proportional to 9,380.56, 14,078.66 and 4,939.81 is: 7,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.56 : 14,078.66 = 4,939.81 : x
  2. Step 2: Convert to fraction form
    9,380.56/14,078.66 = 4,939.81/x
  3. Step 3: Cross multiply
    9,380.56x = 14,078.66 × 4,939.81
  4. Step 4: Simplify right side
    9,380.56x = 69,545,912.94
  5. Step 5: Solve for x
    x = 69,545,912.94/9,380.56
  6. Step 6: Final answer
    x = 7,413.83

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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.