Home / 6,388.17-9,579.87-2,227.02

Finding the Fourth Proportional to 6,388.17, 9,579.87 and 2,227.02

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Solution

The fourth proportional to 6,388.17, 9,579.87 and 2,227.02 is: 3,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.17 : 9,579.87 = 2,227.02 : x
  2. Step 2: Convert to fraction form
    6,388.17/9,579.87 = 2,227.02/x
  3. Step 3: Cross multiply
    6,388.17x = 9,579.87 × 2,227.02
  4. Step 4: Simplify right side
    6,388.17x = 21,334,562.09
  5. Step 5: Solve for x
    x = 21,334,562.09/6,388.17
  6. Step 6: Final answer
    x = 3,339.70

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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.