Home / 4,491.72-6,738.41-1,371.38

Finding the Fourth Proportional to 4,491.72, 6,738.41 and 1,371.38

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Solution

The fourth proportional to 4,491.72, 6,738.41 and 1,371.38 is: 2,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.72 : 6,738.41 = 1,371.38 : x
  2. Step 2: Convert to fraction form
    4,491.72/6,738.41 = 1,371.38/x
  3. Step 3: Cross multiply
    4,491.72x = 6,738.41 × 1,371.38
  4. Step 4: Simplify right side
    4,491.72x = 9,240,890.44
  5. Step 5: Solve for x
    x = 9,240,890.44/4,491.72
  6. Step 6: Final answer
    x = 2,057.32

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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.