Home / 5,556.36-7,668.18-3,198.54

Finding the Fourth Proportional to 5,556.36, 7,668.18 and 3,198.54

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Solution

The fourth proportional to 5,556.36, 7,668.18 and 3,198.54 is: 4,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.36 : 7,668.18 = 3,198.54 : x
  2. Step 2: Convert to fraction form
    5,556.36/7,668.18 = 3,198.54/x
  3. Step 3: Cross multiply
    5,556.36x = 7,668.18 × 3,198.54
  4. Step 4: Simplify right side
    5,556.36x = 24,526,980.46
  5. Step 5: Solve for x
    x = 24,526,980.46/5,556.36
  6. Step 6: Final answer
    x = 4,414.22

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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.