Home / 6,429.75-9,645.39-2,268.90

Finding the Fourth Proportional to 6,429.75, 9,645.39 and 2,268.90

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Solution

The fourth proportional to 6,429.75, 9,645.39 and 2,268.90 is: 3,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.75 : 9,645.39 = 2,268.90 : x
  2. Step 2: Convert to fraction form
    6,429.75/9,645.39 = 2,268.90/x
  3. Step 3: Cross multiply
    6,429.75x = 9,645.39 × 2,268.90
  4. Step 4: Simplify right side
    6,429.75x = 21,884,425.37
  5. Step 5: Solve for x
    x = 21,884,425.37/6,429.75
  6. Step 6: Final answer
    x = 3,403.62

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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.