Home / 8,252.75-12,379.70-3,322.38

Finding the Fourth Proportional to 8,252.75, 12,379.70 and 3,322.38

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Solution

The fourth proportional to 8,252.75, 12,379.70 and 3,322.38 is: 4,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.75 : 12,379.70 = 3,322.38 : x
  2. Step 2: Convert to fraction form
    8,252.75/12,379.70 = 3,322.38/x
  3. Step 3: Cross multiply
    8,252.75x = 12,379.70 × 3,322.38
  4. Step 4: Simplify right side
    8,252.75x = 41,130,122.42
  5. Step 5: Solve for x
    x = 41,130,122.42/8,252.75
  6. Step 6: Final answer
    x = 4,983.81

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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.