Home / 4,086.38-6,136.36-2,760.70

Finding the Fourth Proportional to 4,086.38, 6,136.36 and 2,760.70

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Solution

The fourth proportional to 4,086.38, 6,136.36 and 2,760.70 is: 4,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.38 : 6,136.36 = 2,760.70 : x
  2. Step 2: Convert to fraction form
    4,086.38/6,136.36 = 2,760.70/x
  3. Step 3: Cross multiply
    4,086.38x = 6,136.36 × 2,760.70
  4. Step 4: Simplify right side
    4,086.38x = 16,940,649.05
  5. Step 5: Solve for x
    x = 16,940,649.05/4,086.38
  6. Step 6: Final answer
    x = 4,145.64

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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.