Home / 8,134.41-12,197.97-2,586.72

Finding the Fourth Proportional to 8,134.41, 12,197.97 and 2,586.72

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Solution

The fourth proportional to 8,134.41, 12,197.97 and 2,586.72 is: 3,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.41 : 12,197.97 = 2,586.72 : x
  2. Step 2: Convert to fraction form
    8,134.41/12,197.97 = 2,586.72/x
  3. Step 3: Cross multiply
    8,134.41x = 12,197.97 × 2,586.72
  4. Step 4: Simplify right side
    8,134.41x = 31,552,732.96
  5. Step 5: Solve for x
    x = 31,552,732.96/8,134.41
  6. Step 6: Final answer
    x = 3,878.92

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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.