Home / 8,137.44-12,205.24-5,521.76

Finding the Fourth Proportional to 8,137.44, 12,205.24 and 5,521.76

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Solution

The fourth proportional to 8,137.44, 12,205.24 and 5,521.76 is: 8,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.44 : 12,205.24 = 5,521.76 : x
  2. Step 2: Convert to fraction form
    8,137.44/12,205.24 = 5,521.76/x
  3. Step 3: Cross multiply
    8,137.44x = 12,205.24 × 5,521.76
  4. Step 4: Simplify right side
    8,137.44x = 67,394,406.02
  5. Step 5: Solve for x
    x = 67,394,406.02/8,137.44
  6. Step 6: Final answer
    x = 8,282.02

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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.