Home / 5,286.20-7,918.54-2,504.44

Finding the Fourth Proportional to 5,286.20, 7,918.54 and 2,504.44

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Solution

The fourth proportional to 5,286.20, 7,918.54 and 2,504.44 is: 3,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.20 : 7,918.54 = 2,504.44 : x
  2. Step 2: Convert to fraction form
    5,286.20/7,918.54 = 2,504.44/x
  3. Step 3: Cross multiply
    5,286.20x = 7,918.54 × 2,504.44
  4. Step 4: Simplify right side
    5,286.20x = 19,831,495.80
  5. Step 5: Solve for x
    x = 19,831,495.80/5,286.20
  6. Step 6: Final answer
    x = 3,751.56

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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.