Home / 5,413.66-8,133.46-3,469.66

Finding the Fourth Proportional to 5,413.66, 8,133.46 and 3,469.66

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Solution

The fourth proportional to 5,413.66, 8,133.46 and 3,469.66 is: 5,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.66 : 8,133.46 = 3,469.66 : x
  2. Step 2: Convert to fraction form
    5,413.66/8,133.46 = 3,469.66/x
  3. Step 3: Cross multiply
    5,413.66x = 8,133.46 × 3,469.66
  4. Step 4: Simplify right side
    5,413.66x = 28,220,340.82
  5. Step 5: Solve for x
    x = 28,220,340.82/5,413.66
  6. Step 6: Final answer
    x = 5,212.80

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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.