Home / 4,551.39-6,821.01-2,208.47

Finding the Fourth Proportional to 4,551.39, 6,821.01 and 2,208.47

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Solution

The fourth proportional to 4,551.39, 6,821.01 and 2,208.47 is: 3,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.39 : 6,821.01 = 2,208.47 : x
  2. Step 2: Convert to fraction form
    4,551.39/6,821.01 = 2,208.47/x
  3. Step 3: Cross multiply
    4,551.39x = 6,821.01 × 2,208.47
  4. Step 4: Simplify right side
    4,551.39x = 15,063,961.85
  5. Step 5: Solve for x
    x = 15,063,961.85/4,551.39
  6. Step 6: Final answer
    x = 3,309.75

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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.