Home / 5,550.88-7,659.64-3,193.80

Finding the Fourth Proportional to 5,550.88, 7,659.64 and 3,193.80

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Solution

The fourth proportional to 5,550.88, 7,659.64 and 3,193.80 is: 4,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.88 : 7,659.64 = 3,193.80 : x
  2. Step 2: Convert to fraction form
    5,550.88/7,659.64 = 3,193.80/x
  3. Step 3: Cross multiply
    5,550.88x = 7,659.64 × 3,193.80
  4. Step 4: Simplify right side
    5,550.88x = 24,463,358.23
  5. Step 5: Solve for x
    x = 24,463,358.23/5,550.88
  6. Step 6: Final answer
    x = 4,407.11

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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.