Home / 6,419.11-9,628.54-3,297.28

Finding the Fourth Proportional to 6,419.11, 9,628.54 and 3,297.28

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Solution

The fourth proportional to 6,419.11, 9,628.54 and 3,297.28 is: 4,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.11 : 9,628.54 = 3,297.28 : x
  2. Step 2: Convert to fraction form
    6,419.11/9,628.54 = 3,297.28/x
  3. Step 3: Cross multiply
    6,419.11x = 9,628.54 × 3,297.28
  4. Step 4: Simplify right side
    6,419.11x = 31,747,992.37
  5. Step 5: Solve for x
    x = 31,747,992.37/6,419.11
  6. Step 6: Final answer
    x = 4,945.86

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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.