Home / 8,831.82-13,247.34-5,361.78

Finding the Fourth Proportional to 8,831.82, 13,247.34 and 5,361.78

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Solution

The fourth proportional to 8,831.82, 13,247.34 and 5,361.78 is: 8,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.82 : 13,247.34 = 5,361.78 : x
  2. Step 2: Convert to fraction form
    8,831.82/13,247.34 = 5,361.78/x
  3. Step 3: Cross multiply
    8,831.82x = 13,247.34 × 5,361.78
  4. Step 4: Simplify right side
    8,831.82x = 71,029,322.67
  5. Step 5: Solve for x
    x = 71,029,322.67/8,831.82
  6. Step 6: Final answer
    x = 8,042.43

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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.