Home / 8,942.38-13,413.56-3,680.25

Finding the Fourth Proportional to 8,942.38, 13,413.56 and 3,680.25

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Solution

The fourth proportional to 8,942.38, 13,413.56 and 3,680.25 is: 5,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.38 : 13,413.56 = 3,680.25 : x
  2. Step 2: Convert to fraction form
    8,942.38/13,413.56 = 3,680.25/x
  3. Step 3: Cross multiply
    8,942.38x = 13,413.56 × 3,680.25
  4. Step 4: Simplify right side
    8,942.38x = 49,365,254.19
  5. Step 5: Solve for x
    x = 49,365,254.19/8,942.38
  6. Step 6: Final answer
    x = 5,520.37

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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.