Home / 7,919.26-10,928.31-4,382.62

Finding the Fourth Proportional to 7,919.26, 10,928.31 and 4,382.62

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Solution

The fourth proportional to 7,919.26, 10,928.31 and 4,382.62 is: 6,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.26 : 10,928.31 = 4,382.62 : x
  2. Step 2: Convert to fraction form
    7,919.26/10,928.31 = 4,382.62/x
  3. Step 3: Cross multiply
    7,919.26x = 10,928.31 × 4,382.62
  4. Step 4: Simplify right side
    7,919.26x = 47,894,629.97
  5. Step 5: Solve for x
    x = 47,894,629.97/7,919.26
  6. Step 6: Final answer
    x = 6,047.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.