Home / 5,413.50-7,471.38-3,176.28

Finding the Fourth Proportional to 5,413.50, 7,471.38 and 3,176.28

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Solution

The fourth proportional to 5,413.50, 7,471.38 and 3,176.28 is: 4,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.50 : 7,471.38 = 3,176.28 : x
  2. Step 2: Convert to fraction form
    5,413.50/7,471.38 = 3,176.28/x
  3. Step 3: Cross multiply
    5,413.50x = 7,471.38 × 3,176.28
  4. Step 4: Simplify right side
    5,413.50x = 23,731,194.87
  5. Step 5: Solve for x
    x = 23,731,194.87/5,413.50
  6. Step 6: Final answer
    x = 4,383.71

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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.