Home / 4,191.74-6,286.80-3,983.60

Finding the Fourth Proportional to 4,191.74, 6,286.80 and 3,983.60

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Solution

The fourth proportional to 4,191.74, 6,286.80 and 3,983.60 is: 5,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.74 : 6,286.80 = 3,983.60 : x
  2. Step 2: Convert to fraction form
    4,191.74/6,286.80 = 3,983.60/x
  3. Step 3: Cross multiply
    4,191.74x = 6,286.80 × 3,983.60
  4. Step 4: Simplify right side
    4,191.74x = 25,044,096.48
  5. Step 5: Solve for x
    x = 25,044,096.48/4,191.74
  6. Step 6: Final answer
    x = 5,974.63

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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.