Home / 4,186.60-6,251.09-4,109.80

Finding the Fourth Proportional to 4,186.60, 6,251.09 and 4,109.80

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Solution

The fourth proportional to 4,186.60, 6,251.09 and 4,109.80 is: 6,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.60 : 6,251.09 = 4,109.80 : x
  2. Step 2: Convert to fraction form
    4,186.60/6,251.09 = 4,109.80/x
  3. Step 3: Cross multiply
    4,186.60x = 6,251.09 × 4,109.80
  4. Step 4: Simplify right side
    4,186.60x = 25,690,729.68
  5. Step 5: Solve for x
    x = 25,690,729.68/4,186.60
  6. Step 6: Final answer
    x = 6,136.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.