Home / 8,831.80-13,247.70-3,286.54

Finding the Fourth Proportional to 8,831.80, 13,247.70 and 3,286.54

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Solution

The fourth proportional to 8,831.80, 13,247.70 and 3,286.54 is: 4,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.80 : 13,247.70 = 3,286.54 : x
  2. Step 2: Convert to fraction form
    8,831.80/13,247.70 = 3,286.54/x
  3. Step 3: Cross multiply
    8,831.80x = 13,247.70 × 3,286.54
  4. Step 4: Simplify right side
    8,831.80x = 43,539,095.96
  5. Step 5: Solve for x
    x = 43,539,095.96/8,831.80
  6. Step 6: Final answer
    x = 4,929.81

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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.