Home / 5,550.41-7,659.66-3,311.85

Finding the Fourth Proportional to 5,550.41, 7,659.66 and 3,311.85

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Solution

The fourth proportional to 5,550.41, 7,659.66 and 3,311.85 is: 4,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.41 : 7,659.66 = 3,311.85 : x
  2. Step 2: Convert to fraction form
    5,550.41/7,659.66 = 3,311.85/x
  3. Step 3: Cross multiply
    5,550.41x = 7,659.66 × 3,311.85
  4. Step 4: Simplify right side
    5,550.41x = 25,367,686.11
  5. Step 5: Solve for x
    x = 25,367,686.11/5,550.41
  6. Step 6: Final answer
    x = 4,570.42

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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.