Home / 6,952.21-10,428.78-2,791.68

Finding the Fourth Proportional to 6,952.21, 10,428.78 and 2,791.68

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Solution

The fourth proportional to 6,952.21, 10,428.78 and 2,791.68 is: 4,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,952.21 : 10,428.78 = 2,791.68 : x
  2. Step 2: Convert to fraction form
    6,952.21/10,428.78 = 2,791.68/x
  3. Step 3: Cross multiply
    6,952.21x = 10,428.78 × 2,791.68
  4. Step 4: Simplify right side
    6,952.21x = 29,113,830.87
  5. Step 5: Solve for x
    x = 29,113,830.87/6,952.21
  6. Step 6: Final answer
    x = 4,187.71

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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.