Home / 6,424.20-9,634.25-2,040.64

Finding the Fourth Proportional to 6,424.20, 9,634.25 and 2,040.64

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Solution

The fourth proportional to 6,424.20, 9,634.25 and 2,040.64 is: 3,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.20 : 9,634.25 = 2,040.64 : x
  2. Step 2: Convert to fraction form
    6,424.20/9,634.25 = 2,040.64/x
  3. Step 3: Cross multiply
    6,424.20x = 9,634.25 × 2,040.64
  4. Step 4: Simplify right side
    6,424.20x = 19,660,016.94
  5. Step 5: Solve for x
    x = 19,660,016.94/6,424.20
  6. Step 6: Final answer
    x = 3,060.30

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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.