Home / 4,861.48-7,282.38-3,213.88

Finding the Fourth Proportional to 4,861.48, 7,282.38 and 3,213.88

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Solution

The fourth proportional to 4,861.48, 7,282.38 and 3,213.88 is: 4,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.48 : 7,282.38 = 3,213.88 : x
  2. Step 2: Convert to fraction form
    4,861.48/7,282.38 = 3,213.88/x
  3. Step 3: Cross multiply
    4,861.48x = 7,282.38 × 3,213.88
  4. Step 4: Simplify right side
    4,861.48x = 23,404,695.43
  5. Step 5: Solve for x
    x = 23,404,695.43/4,861.48
  6. Step 6: Final answer
    x = 4,814.31

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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.