Home / 6,422.20-9,634.38-2,039.32

Finding the Fourth Proportional to 6,422.20, 9,634.38 and 2,039.32

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Solution

The fourth proportional to 6,422.20, 9,634.38 and 2,039.32 is: 3,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.20 : 9,634.38 = 2,039.32 : x
  2. Step 2: Convert to fraction form
    6,422.20/9,634.38 = 2,039.32/x
  3. Step 3: Cross multiply
    6,422.20x = 9,634.38 × 2,039.32
  4. Step 4: Simplify right side
    6,422.20x = 19,647,583.82
  5. Step 5: Solve for x
    x = 19,647,583.82/6,422.20
  6. Step 6: Final answer
    x = 3,059.32

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1.5x scale

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.