Home / 4,422.21-6,629.09-1,646.97

Finding the Fourth Proportional to 4,422.21, 6,629.09 and 1,646.97

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Solution

The fourth proportional to 4,422.21, 6,629.09 and 1,646.97 is: 2,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.21 : 6,629.09 = 1,646.97 : x
  2. Step 2: Convert to fraction form
    4,422.21/6,629.09 = 1,646.97/x
  3. Step 3: Cross multiply
    4,422.21x = 6,629.09 × 1,646.97
  4. Step 4: Simplify right side
    4,422.21x = 10,917,904.12
  5. Step 5: Solve for x
    x = 10,917,904.12/4,422.21
  6. Step 6: Final answer
    x = 2,468.88

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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.