Home / 8,213.28-12,322.62-3,284.16

Finding the Fourth Proportional to 8,213.28, 12,322.62 and 3,284.16

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Solution

The fourth proportional to 8,213.28, 12,322.62 and 3,284.16 is: 4,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.28 : 12,322.62 = 3,284.16 : x
  2. Step 2: Convert to fraction form
    8,213.28/12,322.62 = 3,284.16/x
  3. Step 3: Cross multiply
    8,213.28x = 12,322.62 × 3,284.16
  4. Step 4: Simplify right side
    8,213.28x = 40,469,455.70
  5. Step 5: Solve for x
    x = 40,469,455.70/8,213.28
  6. Step 6: Final answer
    x = 4,927.32

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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.