Home / 6,919.67-10,384.49-2,757.27

Finding the Fourth Proportional to 6,919.67, 10,384.49 and 2,757.27

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Solution

The fourth proportional to 6,919.67, 10,384.49 and 2,757.27 is: 4,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.67 : 10,384.49 = 2,757.27 : x
  2. Step 2: Convert to fraction form
    6,919.67/10,384.49 = 2,757.27/x
  3. Step 3: Cross multiply
    6,919.67x = 10,384.49 × 2,757.27
  4. Step 4: Simplify right side
    6,919.67x = 28,632,828.96
  5. Step 5: Solve for x
    x = 28,632,828.96/6,919.67
  6. Step 6: Final answer
    x = 4,137.89

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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.