Home / 5,413.74-8,121.47-2,293.77

Finding the Fourth Proportional to 5,413.74, 8,121.47 and 2,293.77

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Solution

The fourth proportional to 5,413.74, 8,121.47 and 2,293.77 is: 3,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.74 : 8,121.47 = 2,293.77 : x
  2. Step 2: Convert to fraction form
    5,413.74/8,121.47 = 2,293.77/x
  3. Step 3: Cross multiply
    5,413.74x = 8,121.47 × 2,293.77
  4. Step 4: Simplify right side
    5,413.74x = 18,628,772.77
  5. Step 5: Solve for x
    x = 18,628,772.77/5,413.74
  6. Step 6: Final answer
    x = 3,441.02

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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.