Home / 4,212.26-6,315.68-1,748.78

Finding the Fourth Proportional to 4,212.26, 6,315.68 and 1,748.78

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Solution

The fourth proportional to 4,212.26, 6,315.68 and 1,748.78 is: 2,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.26 : 6,315.68 = 1,748.78 : x
  2. Step 2: Convert to fraction form
    4,212.26/6,315.68 = 1,748.78/x
  3. Step 3: Cross multiply
    4,212.26x = 6,315.68 × 1,748.78
  4. Step 4: Simplify right side
    4,212.26x = 11,044,707.66
  5. Step 5: Solve for x
    x = 11,044,707.66/4,212.26
  6. Step 6: Final answer
    x = 2,622.04

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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.