Home / 8,252.42-12,379.20-3,322.10

Finding the Fourth Proportional to 8,252.42, 12,379.20 and 3,322.10

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Solution

The fourth proportional to 8,252.42, 12,379.20 and 3,322.10 is: 4,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.42 : 12,379.20 = 3,322.10 : x
  2. Step 2: Convert to fraction form
    8,252.42/12,379.20 = 3,322.10/x
  3. Step 3: Cross multiply
    8,252.42x = 12,379.20 × 3,322.10
  4. Step 4: Simplify right side
    8,252.42x = 41,124,940.32
  5. Step 5: Solve for x
    x = 41,124,940.32/8,252.42
  6. Step 6: Final answer
    x = 4,983.38

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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.