Home / 8,141.20-12,204.60-4,850.80

Finding the Fourth Proportional to 8,141.20, 12,204.60 and 4,850.80

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Solution

The fourth proportional to 8,141.20, 12,204.60 and 4,850.80 is: 7,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.20 : 12,204.60 = 4,850.80 : x
  2. Step 2: Convert to fraction form
    8,141.20/12,204.60 = 4,850.80/x
  3. Step 3: Cross multiply
    8,141.20x = 12,204.60 × 4,850.80
  4. Step 4: Simplify right side
    8,141.20x = 59,202,073.68
  5. Step 5: Solve for x
    x = 59,202,073.68/8,141.20
  6. Step 6: Final answer
    x = 7,271.91

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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.