Home / 4,814.76-7,222.62-2,218.44

Finding the Fourth Proportional to 4,814.76, 7,222.62 and 2,218.44

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Solution

The fourth proportional to 4,814.76, 7,222.62 and 2,218.44 is: 3,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.76 : 7,222.62 = 2,218.44 : x
  2. Step 2: Convert to fraction form
    4,814.76/7,222.62 = 2,218.44/x
  3. Step 3: Cross multiply
    4,814.76x = 7,222.62 × 2,218.44
  4. Step 4: Simplify right side
    4,814.76x = 16,022,949.11
  5. Step 5: Solve for x
    x = 16,022,949.11/4,814.76
  6. Step 6: Final answer
    x = 3,327.88

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1.5x scale

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.