Home / 4,551.26-6,821.12-2,211.80

Finding the Fourth Proportional to 4,551.26, 6,821.12 and 2,211.80

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Solution

The fourth proportional to 4,551.26, 6,821.12 and 2,211.80 is: 3,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.26 : 6,821.12 = 2,211.80 : x
  2. Step 2: Convert to fraction form
    4,551.26/6,821.12 = 2,211.80/x
  3. Step 3: Cross multiply
    4,551.26x = 6,821.12 × 2,211.80
  4. Step 4: Simplify right side
    4,551.26x = 15,086,924.64
  5. Step 5: Solve for x
    x = 15,086,924.64/4,551.26
  6. Step 6: Final answer
    x = 3,314.89

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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.