Home / 7,246.78-10,874.28-3,086.36

Finding the Fourth Proportional to 7,246.78, 10,874.28 and 3,086.36

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Solution

The fourth proportional to 7,246.78, 10,874.28 and 3,086.36 is: 4,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.78 : 10,874.28 = 3,086.36 : x
  2. Step 2: Convert to fraction form
    7,246.78/10,874.28 = 3,086.36/x
  3. Step 3: Cross multiply
    7,246.78x = 10,874.28 × 3,086.36
  4. Step 4: Simplify right side
    7,246.78x = 33,561,923.44
  5. Step 5: Solve for x
    x = 33,561,923.44/7,246.78
  6. Step 6: Final answer
    x = 4,631.29

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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.