Home / 4,815.42-7,223.13-2,218.02

Finding the Fourth Proportional to 4,815.42, 7,223.13 and 2,218.02

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Solution

The fourth proportional to 4,815.42, 7,223.13 and 2,218.02 is: 3,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.42 : 7,223.13 = 2,218.02 : x
  2. Step 2: Convert to fraction form
    4,815.42/7,223.13 = 2,218.02/x
  3. Step 3: Cross multiply
    4,815.42x = 7,223.13 × 2,218.02
  4. Step 4: Simplify right side
    4,815.42x = 16,021,046.80
  5. Step 5: Solve for x
    x = 16,021,046.80/4,815.42
  6. Step 6: Final answer
    x = 3,327.03

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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.