Home / 7,629.76-11,441.92-3,466.28

Finding the Fourth Proportional to 7,629.76, 11,441.92 and 3,466.28

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Solution

The fourth proportional to 7,629.76, 11,441.92 and 3,466.28 is: 5,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.76 : 11,441.92 = 3,466.28 : x
  2. Step 2: Convert to fraction form
    7,629.76/11,441.92 = 3,466.28/x
  3. Step 3: Cross multiply
    7,629.76x = 11,441.92 × 3,466.28
  4. Step 4: Simplify right side
    7,629.76x = 39,660,898.46
  5. Step 5: Solve for x
    x = 39,660,898.46/7,629.76
  6. Step 6: Final answer
    x = 5,198.18

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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.