Home / 7,150.38-10,722.87-3,451.38

Finding the Fourth Proportional to 7,150.38, 10,722.87 and 3,451.38

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Solution

The fourth proportional to 7,150.38, 10,722.87 and 3,451.38 is: 5,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.38 : 10,722.87 = 3,451.38 : x
  2. Step 2: Convert to fraction form
    7,150.38/10,722.87 = 3,451.38/x
  3. Step 3: Cross multiply
    7,150.38x = 10,722.87 × 3,451.38
  4. Step 4: Simplify right side
    7,150.38x = 37,008,699.06
  5. Step 5: Solve for x
    x = 37,008,699.06/7,150.38
  6. Step 6: Final answer
    x = 5,175.77

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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.