Home / 5,588.29-7,712.78-3,198.36

Finding the Fourth Proportional to 5,588.29, 7,712.78 and 3,198.36

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Solution

The fourth proportional to 5,588.29, 7,712.78 and 3,198.36 is: 4,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.29 : 7,712.78 = 3,198.36 : x
  2. Step 2: Convert to fraction form
    5,588.29/7,712.78 = 3,198.36/x
  3. Step 3: Cross multiply
    5,588.29x = 7,712.78 × 3,198.36
  4. Step 4: Simplify right side
    5,588.29x = 24,668,231.05
  5. Step 5: Solve for x
    x = 24,668,231.05/5,588.29
  6. Step 6: Final answer
    x = 4,414.27

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1.5x scale

Why These Related Problems?

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