Home / 4,463-6,694.24-2,121.28

Finding the Fourth Proportional to 4,463, 6,694.24 and 2,121.28

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Solution

The fourth proportional to 4,463, 6,694.24 and 2,121.28 is: 3,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,463 : 6,694.24 = 2,121.28 : x
  2. Step 2: Convert to fraction form
    4,463/6,694.24 = 2,121.28/x
  3. Step 3: Cross multiply
    4,463x = 6,694.24 × 2,121.28
  4. Step 4: Simplify right side
    4,463x = 14,200,357.43
  5. Step 5: Solve for x
    x = 14,200,357.43/4,463
  6. Step 6: Final answer
    x = 3,181.80

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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.