Home / 4,479.68-6,717.04-2,140.27

Finding the Fourth Proportional to 4,479.68, 6,717.04 and 2,140.27

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Solution

The fourth proportional to 4,479.68, 6,717.04 and 2,140.27 is: 3,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.68 : 6,717.04 = 2,140.27 : x
  2. Step 2: Convert to fraction form
    4,479.68/6,717.04 = 2,140.27/x
  3. Step 3: Cross multiply
    4,479.68x = 6,717.04 × 2,140.27
  4. Step 4: Simplify right side
    4,479.68x = 14,376,245.62
  5. Step 5: Solve for x
    x = 14,376,245.62/4,479.68
  6. Step 6: Final answer
    x = 3,209.22

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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.