Home / 6,217.92-8,584.38-3,861.36

Finding the Fourth Proportional to 6,217.92, 8,584.38 and 3,861.36

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Solution

The fourth proportional to 6,217.92, 8,584.38 and 3,861.36 is: 5,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.92 : 8,584.38 = 3,861.36 : x
  2. Step 2: Convert to fraction form
    6,217.92/8,584.38 = 3,861.36/x
  3. Step 3: Cross multiply
    6,217.92x = 8,584.38 × 3,861.36
  4. Step 4: Simplify right side
    6,217.92x = 33,147,381.56
  5. Step 5: Solve for x
    x = 33,147,381.56/6,217.92
  6. Step 6: Final answer
    x = 5,330.94

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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.