Home / 7,413.35-11,121.19-3,197.80

Finding the Fourth Proportional to 7,413.35, 11,121.19 and 3,197.80

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Solution

The fourth proportional to 7,413.35, 11,121.19 and 3,197.80 is: 4,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.35 : 11,121.19 = 3,197.80 : x
  2. Step 2: Convert to fraction form
    7,413.35/11,121.19 = 3,197.80/x
  3. Step 3: Cross multiply
    7,413.35x = 11,121.19 × 3,197.80
  4. Step 4: Simplify right side
    7,413.35x = 35,563,347.29
  5. Step 5: Solve for x
    x = 35,563,347.29/7,413.35
  6. Step 6: Final answer
    x = 4,797.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.