Home / 6,422.38-9,634.01-2,039.81

Finding the Fourth Proportional to 6,422.38, 9,634.01 and 2,039.81

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Solution

The fourth proportional to 6,422.38, 9,634.01 and 2,039.81 is: 3,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.38 : 9,634.01 = 2,039.81 : x
  2. Step 2: Convert to fraction form
    6,422.38/9,634.01 = 2,039.81/x
  3. Step 3: Cross multiply
    6,422.38x = 9,634.01 × 2,039.81
  4. Step 4: Simplify right side
    6,422.38x = 19,651,491.57
  5. Step 5: Solve for x
    x = 19,651,491.57/6,422.38
  6. Step 6: Final answer
    x = 3,059.85

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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.