Home / 7,622.17-11,429.51-2,691.09

Finding the Fourth Proportional to 7,622.17, 11,429.51 and 2,691.09

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Solution

The fourth proportional to 7,622.17, 11,429.51 and 2,691.09 is: 4,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.17 : 11,429.51 = 2,691.09 : x
  2. Step 2: Convert to fraction form
    7,622.17/11,429.51 = 2,691.09/x
  3. Step 3: Cross multiply
    7,622.17x = 11,429.51 × 2,691.09
  4. Step 4: Simplify right side
    7,622.17x = 30,757,826.61
  5. Step 5: Solve for x
    x = 30,757,826.61/7,622.17
  6. Step 6: Final answer
    x = 4,035.31

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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.