Home / 4,422.78-6,634.20-2,107.26

Finding the Fourth Proportional to 4,422.78, 6,634.20 and 2,107.26

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Solution

The fourth proportional to 4,422.78, 6,634.20 and 2,107.26 is: 3,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.78 : 6,634.20 = 2,107.26 : x
  2. Step 2: Convert to fraction form
    4,422.78/6,634.20 = 2,107.26/x
  3. Step 3: Cross multiply
    4,422.78x = 6,634.20 × 2,107.26
  4. Step 4: Simplify right side
    4,422.78x = 13,979,984.29
  5. Step 5: Solve for x
    x = 13,979,984.29/4,422.78
  6. Step 6: Final answer
    x = 3,160.90

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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.