Home / 6,217.24-8,579.79-3,422.74

Finding the Fourth Proportional to 6,217.24, 8,579.79 and 3,422.74

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Solution

The fourth proportional to 6,217.24, 8,579.79 and 3,422.74 is: 4,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.24 : 8,579.79 = 3,422.74 : x
  2. Step 2: Convert to fraction form
    6,217.24/8,579.79 = 3,422.74/x
  3. Step 3: Cross multiply
    6,217.24x = 8,579.79 × 3,422.74
  4. Step 4: Simplify right side
    6,217.24x = 29,366,330.41
  5. Step 5: Solve for x
    x = 29,366,330.41/6,217.24
  6. Step 6: Final answer
    x = 4,723.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.