Home / 6,212.29-8,571.25-4,321.75

Finding the Fourth Proportional to 6,212.29, 8,571.25 and 4,321.75

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Solution

The fourth proportional to 6,212.29, 8,571.25 and 4,321.75 is: 5,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.29 : 8,571.25 = 4,321.75 : x
  2. Step 2: Convert to fraction form
    6,212.29/8,571.25 = 4,321.75/x
  3. Step 3: Cross multiply
    6,212.29x = 8,571.25 × 4,321.75
  4. Step 4: Simplify right side
    6,212.29x = 37,042,799.69
  5. Step 5: Solve for x
    x = 37,042,799.69/6,212.29
  6. Step 6: Final answer
    x = 5,962.83

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1.5x scale

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.