Home / 7,419.05-11,129.00-2,488.26

Finding the Fourth Proportional to 7,419.05, 11,129.00 and 2,488.26

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Solution

The fourth proportional to 7,419.05, 11,129.00 and 2,488.26 is: 3,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.05 : 11,129.00 = 2,488.26 : x
  2. Step 2: Convert to fraction form
    7,419.05/11,129.00 = 2,488.26/x
  3. Step 3: Cross multiply
    7,419.05x = 11,129.00 × 2,488.26
  4. Step 4: Simplify right side
    7,419.05x = 27,691,833.10
  5. Step 5: Solve for x
    x = 27,691,833.10/7,419.05
  6. Step 6: Final answer
    x = 3,732.53

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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.