Home / 8,122.04-12,183.69-2,575.22

Finding the Fourth Proportional to 8,122.04, 12,183.69 and 2,575.22

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Solution

The fourth proportional to 8,122.04, 12,183.69 and 2,575.22 is: 3,863.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.04 : 12,183.69 = 2,575.22 : x
  2. Step 2: Convert to fraction form
    8,122.04/12,183.69 = 2,575.22/x
  3. Step 3: Cross multiply
    8,122.04x = 12,183.69 × 2,575.22
  4. Step 4: Simplify right side
    8,122.04x = 31,375,682.16
  5. Step 5: Solve for x
    x = 31,375,682.16/8,122.04
  6. Step 6: Final answer
    x = 3,863.03

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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.