Home / 5,645.84-7,791.12-3,288.44

Finding the Fourth Proportional to 5,645.84, 7,791.12 and 3,288.44

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Solution

The fourth proportional to 5,645.84, 7,791.12 and 3,288.44 is: 4,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.84 : 7,791.12 = 3,288.44 : x
  2. Step 2: Convert to fraction form
    5,645.84/7,791.12 = 3,288.44/x
  3. Step 3: Cross multiply
    5,645.84x = 7,791.12 × 3,288.44
  4. Step 4: Simplify right side
    5,645.84x = 25,620,630.65
  5. Step 5: Solve for x
    x = 25,620,630.65/5,645.84
  6. Step 6: Final answer
    x = 4,537.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.