Home / 5,556.06-7,667.19-3,198.15

Finding the Fourth Proportional to 5,556.06, 7,667.19 and 3,198.15

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Solution

The fourth proportional to 5,556.06, 7,667.19 and 3,198.15 is: 4,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.06 : 7,667.19 = 3,198.15 : x
  2. Step 2: Convert to fraction form
    5,556.06/7,667.19 = 3,198.15/x
  3. Step 3: Cross multiply
    5,556.06x = 7,667.19 × 3,198.15
  4. Step 4: Simplify right side
    5,556.06x = 24,520,823.70
  5. Step 5: Solve for x
    x = 24,520,823.70/5,556.06
  6. Step 6: Final answer
    x = 4,413.35

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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.