Home / 8,450.40-12,672.24-3,256.80

Finding the Fourth Proportional to 8,450.40, 12,672.24 and 3,256.80

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Solution

The fourth proportional to 8,450.40, 12,672.24 and 3,256.80 is: 4,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.40 : 12,672.24 = 3,256.80 : x
  2. Step 2: Convert to fraction form
    8,450.40/12,672.24 = 3,256.80/x
  3. Step 3: Cross multiply
    8,450.40x = 12,672.24 × 3,256.80
  4. Step 4: Simplify right side
    8,450.40x = 41,270,951.23
  5. Step 5: Solve for x
    x = 41,270,951.23/8,450.40
  6. Step 6: Final answer
    x = 4,883.91

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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.