Home / 6,414.43-9,618.04-2,253.28

Finding the Fourth Proportional to 6,414.43, 9,618.04 and 2,253.28

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Solution

The fourth proportional to 6,414.43, 9,618.04 and 2,253.28 is: 3,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.43 : 9,618.04 = 2,253.28 : x
  2. Step 2: Convert to fraction form
    6,414.43/9,618.04 = 2,253.28/x
  3. Step 3: Cross multiply
    6,414.43x = 9,618.04 × 2,253.28
  4. Step 4: Simplify right side
    6,414.43x = 21,672,137.17
  5. Step 5: Solve for x
    x = 21,672,137.17/6,414.43
  6. Step 6: Final answer
    x = 3,378.65

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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.