Home / 5,388.75-7,436.34-2,998.73

Finding the Fourth Proportional to 5,388.75, 7,436.34 and 2,998.73

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Solution

The fourth proportional to 5,388.75, 7,436.34 and 2,998.73 is: 4,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.75 : 7,436.34 = 2,998.73 : x
  2. Step 2: Convert to fraction form
    5,388.75/7,436.34 = 2,998.73/x
  3. Step 3: Cross multiply
    5,388.75x = 7,436.34 × 2,998.73
  4. Step 4: Simplify right side
    5,388.75x = 22,299,594.44
  5. Step 5: Solve for x
    x = 22,299,594.44/5,388.75
  6. Step 6: Final answer
    x = 4,138.18

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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.