Home / 5,185.39-7,150.30-3,413.92

Finding the Fourth Proportional to 5,185.39, 7,150.30 and 3,413.92

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Solution

The fourth proportional to 5,185.39, 7,150.30 and 3,413.92 is: 4,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.39 : 7,150.30 = 3,413.92 : x
  2. Step 2: Convert to fraction form
    5,185.39/7,150.30 = 3,413.92/x
  3. Step 3: Cross multiply
    5,185.39x = 7,150.30 × 3,413.92
  4. Step 4: Simplify right side
    5,185.39x = 24,410,552.18
  5. Step 5: Solve for x
    x = 24,410,552.18/5,185.39
  6. Step 6: Final answer
    x = 4,707.56

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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.