Home / 6,422.20-9,633.30-2,040.10

Finding the Fourth Proportional to 6,422.20, 9,633.30 and 2,040.10

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Solution

The fourth proportional to 6,422.20, 9,633.30 and 2,040.10 is: 3,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.20 : 9,633.30 = 2,040.10 : x
  2. Step 2: Convert to fraction form
    6,422.20/9,633.30 = 2,040.10/x
  3. Step 3: Cross multiply
    6,422.20x = 9,633.30 × 2,040.10
  4. Step 4: Simplify right side
    6,422.20x = 19,652,895.33
  5. Step 5: Solve for x
    x = 19,652,895.33/6,422.20
  6. Step 6: Final answer
    x = 3,060.15

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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.