Home / 8,122.25-12,182.29-2,576.16

Finding the Fourth Proportional to 8,122.25, 12,182.29 and 2,576.16

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Solution

The fourth proportional to 8,122.25, 12,182.29 and 2,576.16 is: 3,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.25 : 12,182.29 = 2,576.16 : x
  2. Step 2: Convert to fraction form
    8,122.25/12,182.29 = 2,576.16/x
  3. Step 3: Cross multiply
    8,122.25x = 12,182.29 × 2,576.16
  4. Step 4: Simplify right side
    8,122.25x = 31,383,521.77
  5. Step 5: Solve for x
    x = 31,383,521.77/8,122.25
  6. Step 6: Final answer
    x = 3,863.90

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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.