Home / 4,814.57-7,211.80-3,872.43

Finding the Fourth Proportional to 4,814.57, 7,211.80 and 3,872.43

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Solution

The fourth proportional to 4,814.57, 7,211.80 and 3,872.43 is: 5,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.57 : 7,211.80 = 3,872.43 : x
  2. Step 2: Convert to fraction form
    4,814.57/7,211.80 = 3,872.43/x
  3. Step 3: Cross multiply
    4,814.57x = 7,211.80 × 3,872.43
  4. Step 4: Simplify right side
    4,814.57x = 27,927,190.67
  5. Step 5: Solve for x
    x = 27,927,190.67/4,814.57
  6. Step 6: Final answer
    x = 5,800.56

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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.