Home / 8,136.89-12,197.09-3,204.60

Finding the Fourth Proportional to 8,136.89, 12,197.09 and 3,204.60

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Solution

The fourth proportional to 8,136.89, 12,197.09 and 3,204.60 is: 4,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.89 : 12,197.09 = 3,204.60 : x
  2. Step 2: Convert to fraction form
    8,136.89/12,197.09 = 3,204.60/x
  3. Step 3: Cross multiply
    8,136.89x = 12,197.09 × 3,204.60
  4. Step 4: Simplify right side
    8,136.89x = 39,086,778.59
  5. Step 5: Solve for x
    x = 39,086,778.59/8,136.89
  6. Step 6: Final answer
    x = 4,803.65

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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.