Home / 7,081.62-10,619.19-3,916.95

Finding the Fourth Proportional to 7,081.62, 10,619.19 and 3,916.95

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Solution

The fourth proportional to 7,081.62, 10,619.19 and 3,916.95 is: 5,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.62 : 10,619.19 = 3,916.95 : x
  2. Step 2: Convert to fraction form
    7,081.62/10,619.19 = 3,916.95/x
  3. Step 3: Cross multiply
    7,081.62x = 10,619.19 × 3,916.95
  4. Step 4: Simplify right side
    7,081.62x = 41,594,836.27
  5. Step 5: Solve for x
    x = 41,594,836.27/7,081.62
  6. Step 6: Final answer
    x = 5,873.63

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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.