Home / 8,553.74-12,831.96-3,288.54

Finding the Fourth Proportional to 8,553.74, 12,831.96 and 3,288.54

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Solution

The fourth proportional to 8,553.74, 12,831.96 and 3,288.54 is: 4,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.74 : 12,831.96 = 3,288.54 : x
  2. Step 2: Convert to fraction form
    8,553.74/12,831.96 = 3,288.54/x
  3. Step 3: Cross multiply
    8,553.74x = 12,831.96 × 3,288.54
  4. Step 4: Simplify right side
    8,553.74x = 42,198,413.74
  5. Step 5: Solve for x
    x = 42,198,413.74/8,553.74
  6. Step 6: Final answer
    x = 4,933.33

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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.