Home / 4,545.08-6,819.71-2,080.65

Finding the Fourth Proportional to 4,545.08, 6,819.71 and 2,080.65

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Solution

The fourth proportional to 4,545.08, 6,819.71 and 2,080.65 is: 3,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.08 : 6,819.71 = 2,080.65 : x
  2. Step 2: Convert to fraction form
    4,545.08/6,819.71 = 2,080.65/x
  3. Step 3: Cross multiply
    4,545.08x = 6,819.71 × 2,080.65
  4. Step 4: Simplify right side
    4,545.08x = 14,189,419.21
  5. Step 5: Solve for x
    x = 14,189,419.21/4,545.08
  6. Step 6: Final answer
    x = 3,121.93

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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.