Home / 8,122.83-12,184.68-2,576.60

Finding the Fourth Proportional to 8,122.83, 12,184.68 and 2,576.60

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Solution

The fourth proportional to 8,122.83, 12,184.68 and 2,576.60 is: 3,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.83 : 12,184.68 = 2,576.60 : x
  2. Step 2: Convert to fraction form
    8,122.83/12,184.68 = 2,576.60/x
  3. Step 3: Cross multiply
    8,122.83x = 12,184.68 × 2,576.60
  4. Step 4: Simplify right side
    8,122.83x = 31,395,102.21
  5. Step 5: Solve for x
    x = 31,395,102.21/8,122.83
  6. Step 6: Final answer
    x = 3,865.04

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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.