Home / 5,617.44-8,426.36-2,107.09

Finding the Fourth Proportional to 5,617.44, 8,426.36 and 2,107.09

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Solution

The fourth proportional to 5,617.44, 8,426.36 and 2,107.09 is: 3,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.44 : 8,426.36 = 2,107.09 : x
  2. Step 2: Convert to fraction form
    5,617.44/8,426.36 = 2,107.09/x
  3. Step 3: Cross multiply
    5,617.44x = 8,426.36 × 2,107.09
  4. Step 4: Simplify right side
    5,617.44x = 17,755,067.29
  5. Step 5: Solve for x
    x = 17,755,067.29/5,617.44
  6. Step 6: Final answer
    x = 3,160.70

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1.5x scale

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.