Home / 5,236.66-7,226.61-2,878.82

Finding the Fourth Proportional to 5,236.66, 7,226.61 and 2,878.82

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Solution

The fourth proportional to 5,236.66, 7,226.61 and 2,878.82 is: 3,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.66 : 7,226.61 = 2,878.82 : x
  2. Step 2: Convert to fraction form
    5,236.66/7,226.61 = 2,878.82/x
  3. Step 3: Cross multiply
    5,236.66x = 7,226.61 × 2,878.82
  4. Step 4: Simplify right side
    5,236.66x = 20,804,073.27
  5. Step 5: Solve for x
    x = 20,804,073.27/5,236.66
  6. Step 6: Final answer
    x = 3,972.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.