Home / 4,161.72-6,246.42-2,912.76

Finding the Fourth Proportional to 4,161.72, 6,246.42 and 2,912.76

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Solution

The fourth proportional to 4,161.72, 6,246.42 and 2,912.76 is: 4,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.72 : 6,246.42 = 2,912.76 : x
  2. Step 2: Convert to fraction form
    4,161.72/6,246.42 = 2,912.76/x
  3. Step 3: Cross multiply
    4,161.72x = 6,246.42 × 2,912.76
  4. Step 4: Simplify right side
    4,161.72x = 18,194,322.32
  5. Step 5: Solve for x
    x = 18,194,322.32/4,161.72
  6. Step 6: Final answer
    x = 4,371.83

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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.