Home / 6,422.70-9,634.80-2,040.60

Finding the Fourth Proportional to 6,422.70, 9,634.80 and 2,040.60

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Solution

The fourth proportional to 6,422.70, 9,634.80 and 2,040.60 is: 3,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.70 : 9,634.80 = 2,040.60 : x
  2. Step 2: Convert to fraction form
    6,422.70/9,634.80 = 2,040.60/x
  3. Step 3: Cross multiply
    6,422.70x = 9,634.80 × 2,040.60
  4. Step 4: Simplify right side
    6,422.70x = 19,660,772.88
  5. Step 5: Solve for x
    x = 19,660,772.88/6,422.70
  6. Step 6: Final answer
    x = 3,061.14

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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.