Home / 6,687.36-10,033.93-3,179.86

Finding the Fourth Proportional to 6,687.36, 10,033.93 and 3,179.86

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Solution

The fourth proportional to 6,687.36, 10,033.93 and 3,179.86 is: 4,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.36 : 10,033.93 = 3,179.86 : x
  2. Step 2: Convert to fraction form
    6,687.36/10,033.93 = 3,179.86/x
  3. Step 3: Cross multiply
    6,687.36x = 10,033.93 × 3,179.86
  4. Step 4: Simplify right side
    6,687.36x = 31,906,453.65
  5. Step 5: Solve for x
    x = 31,906,453.65/6,687.36
  6. Step 6: Final answer
    x = 4,771.16

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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.