Home / 4,545.26-6,815.94-2,081.64

Finding the Fourth Proportional to 4,545.26, 6,815.94 and 2,081.64

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Solution

The fourth proportional to 4,545.26, 6,815.94 and 2,081.64 is: 3,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.26 : 6,815.94 = 2,081.64 : x
  2. Step 2: Convert to fraction form
    4,545.26/6,815.94 = 2,081.64/x
  3. Step 3: Cross multiply
    4,545.26x = 6,815.94 × 2,081.64
  4. Step 4: Simplify right side
    4,545.26x = 14,188,333.34
  5. Step 5: Solve for x
    x = 14,188,333.34/4,545.26
  6. Step 6: Final answer
    x = 3,121.57

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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.