Home / 8,107.03-12,165.41-2,913.31

Finding the Fourth Proportional to 8,107.03, 12,165.41 and 2,913.31

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Solution

The fourth proportional to 8,107.03, 12,165.41 and 2,913.31 is: 4,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.03 : 12,165.41 = 2,913.31 : x
  2. Step 2: Convert to fraction form
    8,107.03/12,165.41 = 2,913.31/x
  3. Step 3: Cross multiply
    8,107.03x = 12,165.41 × 2,913.31
  4. Step 4: Simplify right side
    8,107.03x = 35,441,610.61
  5. Step 5: Solve for x
    x = 35,441,610.61/8,107.03
  6. Step 6: Final answer
    x = 4,371.71

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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.