Home / 5,291.10-7,936.92-2,003.81

Finding the Fourth Proportional to 5,291.10, 7,936.92 and 2,003.81

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Solution

The fourth proportional to 5,291.10, 7,936.92 and 2,003.81 is: 3,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.10 : 7,936.92 = 2,003.81 : x
  2. Step 2: Convert to fraction form
    5,291.10/7,936.92 = 2,003.81/x
  3. Step 3: Cross multiply
    5,291.10x = 7,936.92 × 2,003.81
  4. Step 4: Simplify right side
    5,291.10x = 15,904,039.98
  5. Step 5: Solve for x
    x = 15,904,039.98/5,291.10
  6. Step 6: Final answer
    x = 3,005.81

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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.