Home / 6,942.60-10,413.90-3,479.04

Finding the Fourth Proportional to 6,942.60, 10,413.90 and 3,479.04

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Solution

The fourth proportional to 6,942.60, 10,413.90 and 3,479.04 is: 5,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.60 : 10,413.90 = 3,479.04 : x
  2. Step 2: Convert to fraction form
    6,942.60/10,413.90 = 3,479.04/x
  3. Step 3: Cross multiply
    6,942.60x = 10,413.90 × 3,479.04
  4. Step 4: Simplify right side
    6,942.60x = 36,230,374.66
  5. Step 5: Solve for x
    x = 36,230,374.66/6,942.60
  6. Step 6: Final answer
    x = 5,218.56

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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.