Home / 6,399.75-8,831.37-3,567.44

Finding the Fourth Proportional to 6,399.75, 8,831.37 and 3,567.44

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Solution

The fourth proportional to 6,399.75, 8,831.37 and 3,567.44 is: 4,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.75 : 8,831.37 = 3,567.44 : x
  2. Step 2: Convert to fraction form
    6,399.75/8,831.37 = 3,567.44/x
  3. Step 3: Cross multiply
    6,399.75x = 8,831.37 × 3,567.44
  4. Step 4: Simplify right side
    6,399.75x = 31,505,340.03
  5. Step 5: Solve for x
    x = 31,505,340.03/6,399.75
  6. Step 6: Final answer
    x = 4,922.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.