Home / 6,942.69-10,413.90-1,748.61

Finding the Fourth Proportional to 6,942.69, 10,413.90 and 1,748.61

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Solution

The fourth proportional to 6,942.69, 10,413.90 and 1,748.61 is: 2,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.69 : 10,413.90 = 1,748.61 : x
  2. Step 2: Convert to fraction form
    6,942.69/10,413.90 = 1,748.61/x
  3. Step 3: Cross multiply
    6,942.69x = 10,413.90 × 1,748.61
  4. Step 4: Simplify right side
    6,942.69x = 18,209,849.68
  5. Step 5: Solve for x
    x = 18,209,849.68/6,942.69
  6. Step 6: Final answer
    x = 2,622.88

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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.