Home / 8,946.12-13,413.88-3,399.85

Finding the Fourth Proportional to 8,946.12, 13,413.88 and 3,399.85

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Solution

The fourth proportional to 8,946.12, 13,413.88 and 3,399.85 is: 5,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.12 : 13,413.88 = 3,399.85 : x
  2. Step 2: Convert to fraction form
    8,946.12/13,413.88 = 3,399.85/x
  3. Step 3: Cross multiply
    8,946.12x = 13,413.88 × 3,399.85
  4. Step 4: Simplify right side
    8,946.12x = 45,605,179.92
  5. Step 5: Solve for x
    x = 45,605,179.92/8,946.12
  6. Step 6: Final answer
    x = 5,097.76

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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.