Home / 6,413.12-9,619.68-1,796.12

Finding the Fourth Proportional to 6,413.12, 9,619.68 and 1,796.12

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Solution

The fourth proportional to 6,413.12, 9,619.68 and 1,796.12 is: 2,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.12 : 9,619.68 = 1,796.12 : x
  2. Step 2: Convert to fraction form
    6,413.12/9,619.68 = 1,796.12/x
  3. Step 3: Cross multiply
    6,413.12x = 9,619.68 × 1,796.12
  4. Step 4: Simplify right side
    6,413.12x = 17,278,099.64
  5. Step 5: Solve for x
    x = 17,278,099.64/6,413.12
  6. Step 6: Final answer
    x = 2,694.18

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Similar ratio
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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.