Home / 7,371.91-11,043.28-3,464.47

Finding the Fourth Proportional to 7,371.91, 11,043.28 and 3,464.47

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Solution

The fourth proportional to 7,371.91, 11,043.28 and 3,464.47 is: 5,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.91 : 11,043.28 = 3,464.47 : x
  2. Step 2: Convert to fraction form
    7,371.91/11,043.28 = 3,464.47/x
  3. Step 3: Cross multiply
    7,371.91x = 11,043.28 × 3,464.47
  4. Step 4: Simplify right side
    7,371.91x = 38,259,112.26
  5. Step 5: Solve for x
    x = 38,259,112.26/7,371.91
  6. Step 6: Final answer
    x = 5,189.85

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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.