Home / 6,919.52-10,372.91-2,758.54

Finding the Fourth Proportional to 6,919.52, 10,372.91 and 2,758.54

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Solution

The fourth proportional to 6,919.52, 10,372.91 and 2,758.54 is: 4,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.52 : 10,372.91 = 2,758.54 : x
  2. Step 2: Convert to fraction form
    6,919.52/10,372.91 = 2,758.54/x
  3. Step 3: Cross multiply
    6,919.52x = 10,372.91 × 2,758.54
  4. Step 4: Simplify right side
    6,919.52x = 28,614,021.49
  5. Step 5: Solve for x
    x = 28,614,021.49/6,919.52
  6. Step 6: Final answer
    x = 4,135.26

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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.