Home / 4,209.91-6,311.52-2,730.65

Finding the Fourth Proportional to 4,209.91, 6,311.52 and 2,730.65

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Solution

The fourth proportional to 4,209.91, 6,311.52 and 2,730.65 is: 4,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.91 : 6,311.52 = 2,730.65 : x
  2. Step 2: Convert to fraction form
    4,209.91/6,311.52 = 2,730.65/x
  3. Step 3: Cross multiply
    4,209.91x = 6,311.52 × 2,730.65
  4. Step 4: Simplify right side
    4,209.91x = 17,234,520.53
  5. Step 5: Solve for x
    x = 17,234,520.53/4,209.91
  6. Step 6: Final answer
    x = 4,093.80

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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.