Home / 4,212.68-6,307.97-2,729.61

Finding the Fourth Proportional to 4,212.68, 6,307.97 and 2,729.61

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Solution

The fourth proportional to 4,212.68, 6,307.97 and 2,729.61 is: 4,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.68 : 6,307.97 = 2,729.61 : x
  2. Step 2: Convert to fraction form
    4,212.68/6,307.97 = 2,729.61/x
  3. Step 3: Cross multiply
    4,212.68x = 6,307.97 × 2,729.61
  4. Step 4: Simplify right side
    4,212.68x = 17,218,284.34
  5. Step 5: Solve for x
    x = 17,218,284.34/4,212.68
  6. Step 6: Final answer
    x = 4,087.26

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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.