Home / 5,377.82-8,059.43-2,782.58

Finding the Fourth Proportional to 5,377.82, 8,059.43 and 2,782.58

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Solution

The fourth proportional to 5,377.82, 8,059.43 and 2,782.58 is: 4,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.82 : 8,059.43 = 2,782.58 : x
  2. Step 2: Convert to fraction form
    5,377.82/8,059.43 = 2,782.58/x
  3. Step 3: Cross multiply
    5,377.82x = 8,059.43 × 2,782.58
  4. Step 4: Simplify right side
    5,377.82x = 22,425,975.39
  5. Step 5: Solve for x
    x = 22,425,975.39/5,377.82
  6. Step 6: Final answer
    x = 4,170.09

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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.