Home / 5,286.45-7,918.91-2,504.69

Finding the Fourth Proportional to 5,286.45, 7,918.91 and 2,504.69

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Solution

The fourth proportional to 5,286.45, 7,918.91 and 2,504.69 is: 3,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.45 : 7,918.91 = 2,504.69 : x
  2. Step 2: Convert to fraction form
    5,286.45/7,918.91 = 2,504.69/x
  3. Step 3: Cross multiply
    5,286.45x = 7,918.91 × 2,504.69
  4. Step 4: Simplify right side
    5,286.45x = 19,834,414.69
  5. Step 5: Solve for x
    x = 19,834,414.69/5,286.45
  6. Step 6: Final answer
    x = 3,751.93

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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.