Home / 8,252.27-12,378.86-2,408.72

Finding the Fourth Proportional to 8,252.27, 12,378.86 and 2,408.72

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Solution

The fourth proportional to 8,252.27, 12,378.86 and 2,408.72 is: 3,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.27 : 12,378.86 = 2,408.72 : x
  2. Step 2: Convert to fraction form
    8,252.27/12,378.86 = 2,408.72/x
  3. Step 3: Cross multiply
    8,252.27x = 12,378.86 × 2,408.72
  4. Step 4: Simplify right side
    8,252.27x = 29,817,133.72
  5. Step 5: Solve for x
    x = 29,817,133.72/8,252.27
  6. Step 6: Final answer
    x = 3,613.21

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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.