Home / 6,422.55-9,634.83-2,039.66

Finding the Fourth Proportional to 6,422.55, 9,634.83 and 2,039.66

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Solution

The fourth proportional to 6,422.55, 9,634.83 and 2,039.66 is: 3,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.55 : 9,634.83 = 2,039.66 : x
  2. Step 2: Convert to fraction form
    6,422.55/9,634.83 = 2,039.66/x
  3. Step 3: Cross multiply
    6,422.55x = 9,634.83 × 2,039.66
  4. Step 4: Simplify right side
    6,422.55x = 19,651,777.36
  5. Step 5: Solve for x
    x = 19,651,777.36/6,422.55
  6. Step 6: Final answer
    x = 3,059.81

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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.