Home / 5,396.82-7,447.46-3,006.78

Finding the Fourth Proportional to 5,396.82, 7,447.46 and 3,006.78

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Solution

The fourth proportional to 5,396.82, 7,447.46 and 3,006.78 is: 4,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.82 : 7,447.46 = 3,006.78 : x
  2. Step 2: Convert to fraction form
    5,396.82/7,447.46 = 3,006.78/x
  3. Step 3: Cross multiply
    5,396.82x = 7,447.46 × 3,006.78
  4. Step 4: Simplify right side
    5,396.82x = 22,392,858.74
  5. Step 5: Solve for x
    x = 22,392,858.74/5,396.82
  6. Step 6: Final answer
    x = 4,149.27

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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.