Home / 5,282.82-7,918.56-2,687.58

Finding the Fourth Proportional to 5,282.82, 7,918.56 and 2,687.58

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Solution

The fourth proportional to 5,282.82, 7,918.56 and 2,687.58 is: 4,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.82 : 7,918.56 = 2,687.58 : x
  2. Step 2: Convert to fraction form
    5,282.82/7,918.56 = 2,687.58/x
  3. Step 3: Cross multiply
    5,282.82x = 7,918.56 × 2,687.58
  4. Step 4: Simplify right side
    5,282.82x = 21,281,763.48
  5. Step 5: Solve for x
    x = 21,281,763.48/5,282.82
  6. Step 6: Final answer
    x = 4,028.49

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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.