Home / 4,419.26-6,629.12-1,645.30

Finding the Fourth Proportional to 4,419.26, 6,629.12 and 1,645.30

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Solution

The fourth proportional to 4,419.26, 6,629.12 and 1,645.30 is: 2,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.26 : 6,629.12 = 1,645.30 : x
  2. Step 2: Convert to fraction form
    4,419.26/6,629.12 = 1,645.30/x
  3. Step 3: Cross multiply
    4,419.26x = 6,629.12 × 1,645.30
  4. Step 4: Simplify right side
    4,419.26x = 10,906,891.14
  5. Step 5: Solve for x
    x = 10,906,891.14/4,419.26
  6. Step 6: Final answer
    x = 2,468.04

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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.