Home / 5,556.90-7,668.09-3,198.59

Finding the Fourth Proportional to 5,556.90, 7,668.09 and 3,198.59

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Solution

The fourth proportional to 5,556.90, 7,668.09 and 3,198.59 is: 4,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.90 : 7,668.09 = 3,198.59 : x
  2. Step 2: Convert to fraction form
    5,556.90/7,668.09 = 3,198.59/x
  3. Step 3: Cross multiply
    5,556.90x = 7,668.09 × 3,198.59
  4. Step 4: Simplify right side
    5,556.90x = 24,527,037.65
  5. Step 5: Solve for x
    x = 24,527,037.65/5,556.90
  6. Step 6: Final answer
    x = 4,413.80

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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.