Home / 4,072.28-6,105.90-2,769.80

Finding the Fourth Proportional to 4,072.28, 6,105.90 and 2,769.80

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Solution

The fourth proportional to 4,072.28, 6,105.90 and 2,769.80 is: 4,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.28 : 6,105.90 = 2,769.80 : x
  2. Step 2: Convert to fraction form
    4,072.28/6,105.90 = 2,769.80/x
  3. Step 3: Cross multiply
    4,072.28x = 6,105.90 × 2,769.80
  4. Step 4: Simplify right side
    4,072.28x = 16,912,121.82
  5. Step 5: Solve for x
    x = 16,912,121.82/4,072.28
  6. Step 6: Final answer
    x = 4,152.99

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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.