Home / 8,212.22-12,318.32-6,571.97

Finding the Fourth Proportional to 8,212.22, 12,318.32 and 6,571.97

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Solution

The fourth proportional to 8,212.22, 12,318.32 and 6,571.97 is: 9,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.22 : 12,318.32 = 6,571.97 : x
  2. Step 2: Convert to fraction form
    8,212.22/12,318.32 = 6,571.97/x
  3. Step 3: Cross multiply
    8,212.22x = 12,318.32 × 6,571.97
  4. Step 4: Simplify right side
    8,212.22x = 80,955,629.49
  5. Step 5: Solve for x
    x = 80,955,629.49/8,212.22
  6. Step 6: Final answer
    x = 9,857.95

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1.5x scale

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.