Home / 5,540.82-7,640.13-4,529.37

Finding the Fourth Proportional to 5,540.82, 7,640.13 and 4,529.37

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Solution

The fourth proportional to 5,540.82, 7,640.13 and 4,529.37 is: 6,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.82 : 7,640.13 = 4,529.37 : x
  2. Step 2: Convert to fraction form
    5,540.82/7,640.13 = 4,529.37/x
  3. Step 3: Cross multiply
    5,540.82x = 7,640.13 × 4,529.37
  4. Step 4: Simplify right side
    5,540.82x = 34,604,975.62
  5. Step 5: Solve for x
    x = 34,604,975.62/5,540.82
  6. Step 6: Final answer
    x = 6,245.46

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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.