Home / 5,550.45-7,662.38-3,663.24

Finding the Fourth Proportional to 5,550.45, 7,662.38 and 3,663.24

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Solution

The fourth proportional to 5,550.45, 7,662.38 and 3,663.24 is: 5,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.45 : 7,662.38 = 3,663.24 : x
  2. Step 2: Convert to fraction form
    5,550.45/7,662.38 = 3,663.24/x
  3. Step 3: Cross multiply
    5,550.45x = 7,662.38 × 3,663.24
  4. Step 4: Simplify right side
    5,550.45x = 28,069,118.60
  5. Step 5: Solve for x
    x = 28,069,118.60/5,550.45
  6. Step 6: Final answer
    x = 5,057.09

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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.