Home / 4,821-7,226.04-2,218.56

Finding the Fourth Proportional to 4,821, 7,226.04 and 2,218.56

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Solution

The fourth proportional to 4,821, 7,226.04 and 2,218.56 is: 3,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821 : 7,226.04 = 2,218.56 : x
  2. Step 2: Convert to fraction form
    4,821/7,226.04 = 2,218.56/x
  3. Step 3: Cross multiply
    4,821x = 7,226.04 × 2,218.56
  4. Step 4: Simplify right side
    4,821x = 16,031,403.30
  5. Step 5: Solve for x
    x = 16,031,403.30/4,821
  6. Step 6: Final answer
    x = 3,325.33

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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.