Home / 8,122.60-12,184.33-2,576.36

Finding the Fourth Proportional to 8,122.60, 12,184.33 and 2,576.36

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Solution

The fourth proportional to 8,122.60, 12,184.33 and 2,576.36 is: 3,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.60 : 12,184.33 = 2,576.36 : x
  2. Step 2: Convert to fraction form
    8,122.60/12,184.33 = 2,576.36/x
  3. Step 3: Cross multiply
    8,122.60x = 12,184.33 × 2,576.36
  4. Step 4: Simplify right side
    8,122.60x = 31,391,220.44
  5. Step 5: Solve for x
    x = 31,391,220.44/8,122.60
  6. Step 6: Final answer
    x = 3,864.68

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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.