Home / 4,491.26-6,736.80-1,371.20

Finding the Fourth Proportional to 4,491.26, 6,736.80 and 1,371.20

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Solution

The fourth proportional to 4,491.26, 6,736.80 and 1,371.20 is: 2,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.26 : 6,736.80 = 1,371.20 : x
  2. Step 2: Convert to fraction form
    4,491.26/6,736.80 = 1,371.20/x
  3. Step 3: Cross multiply
    4,491.26x = 6,736.80 × 1,371.20
  4. Step 4: Simplify right side
    4,491.26x = 9,237,500.16
  5. Step 5: Solve for x
    x = 9,237,500.16/4,491.26
  6. Step 6: Final answer
    x = 2,056.77

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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.