Home / 8,391.28-12,586.52-2,467.92

Finding the Fourth Proportional to 8,391.28, 12,586.52 and 2,467.92

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Solution

The fourth proportional to 8,391.28, 12,586.52 and 2,467.92 is: 3,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.28 : 12,586.52 = 2,467.92 : x
  2. Step 2: Convert to fraction form
    8,391.28/12,586.52 = 2,467.92/x
  3. Step 3: Cross multiply
    8,391.28x = 12,586.52 × 2,467.92
  4. Step 4: Simplify right side
    8,391.28x = 31,062,524.44
  5. Step 5: Solve for x
    x = 31,062,524.44/8,391.28
  6. Step 6: Final answer
    x = 3,701.76

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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.