Home / 4,429.10-6,634.53-3,198.98

Finding the Fourth Proportional to 4,429.10, 6,634.53 and 3,198.98

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Solution

The fourth proportional to 4,429.10, 6,634.53 and 3,198.98 is: 4,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.10 : 6,634.53 = 3,198.98 : x
  2. Step 2: Convert to fraction form
    4,429.10/6,634.53 = 3,198.98/x
  3. Step 3: Cross multiply
    4,429.10x = 6,634.53 × 3,198.98
  4. Step 4: Simplify right side
    4,429.10x = 21,223,695.61
  5. Step 5: Solve for x
    x = 21,223,695.61/4,429.10
  6. Step 6: Final answer
    x = 4,791.88

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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.