Home / 6,422.87-9,633.30-2,039.75

Finding the Fourth Proportional to 6,422.87, 9,633.30 and 2,039.75

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Solution

The fourth proportional to 6,422.87, 9,633.30 and 2,039.75 is: 3,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.87 : 9,633.30 = 2,039.75 : x
  2. Step 2: Convert to fraction form
    6,422.87/9,633.30 = 2,039.75/x
  3. Step 3: Cross multiply
    6,422.87x = 9,633.30 × 2,039.75
  4. Step 4: Simplify right side
    6,422.87x = 19,649,523.68
  5. Step 5: Solve for x
    x = 19,649,523.68/6,422.87
  6. Step 6: Final answer
    x = 3,059.31

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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.