Home / 5,640.84-7,782.56-3,282.52

Finding the Fourth Proportional to 5,640.84, 7,782.56 and 3,282.52

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Solution

The fourth proportional to 5,640.84, 7,782.56 and 3,282.52 is: 4,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.84 : 7,782.56 = 3,282.52 : x
  2. Step 2: Convert to fraction form
    5,640.84/7,782.56 = 3,282.52/x
  3. Step 3: Cross multiply
    5,640.84x = 7,782.56 × 3,282.52
  4. Step 4: Simplify right side
    5,640.84x = 25,546,408.85
  5. Step 5: Solve for x
    x = 25,546,408.85/5,640.84
  6. Step 6: Final answer
    x = 4,528.83

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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.