Home / 5,550.42-7,650.68-3,757.34

Finding the Fourth Proportional to 5,550.42, 7,650.68 and 3,757.34

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Solution

The fourth proportional to 5,550.42, 7,650.68 and 3,757.34 is: 5,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.42 : 7,650.68 = 3,757.34 : x
  2. Step 2: Convert to fraction form
    5,550.42/7,650.68 = 3,757.34/x
  3. Step 3: Cross multiply
    5,550.42x = 7,650.68 × 3,757.34
  4. Step 4: Simplify right side
    5,550.42x = 28,746,148.95
  5. Step 5: Solve for x
    x = 28,746,148.95/5,550.42
  6. Step 6: Final answer
    x = 5,179.09

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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.