Home / 8,408.24-12,611.40-2,251.76

Finding the Fourth Proportional to 8,408.24, 12,611.40 and 2,251.76

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Solution

The fourth proportional to 8,408.24, 12,611.40 and 2,251.76 is: 3,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.24 : 12,611.40 = 2,251.76 : x
  2. Step 2: Convert to fraction form
    8,408.24/12,611.40 = 2,251.76/x
  3. Step 3: Cross multiply
    8,408.24x = 12,611.40 × 2,251.76
  4. Step 4: Simplify right side
    8,408.24x = 28,397,846.06
  5. Step 5: Solve for x
    x = 28,397,846.06/8,408.24
  6. Step 6: Final answer
    x = 3,377.38

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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.