Home / 5,105.44-7,045.42-2,867.32

Finding the Fourth Proportional to 5,105.44, 7,045.42 and 2,867.32

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Solution

The fourth proportional to 5,105.44, 7,045.42 and 2,867.32 is: 3,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.44 : 7,045.42 = 2,867.32 : x
  2. Step 2: Convert to fraction form
    5,105.44/7,045.42 = 2,867.32/x
  3. Step 3: Cross multiply
    5,105.44x = 7,045.42 × 2,867.32
  4. Step 4: Simplify right side
    5,105.44x = 20,201,424.11
  5. Step 5: Solve for x
    x = 20,201,424.11/5,105.44
  6. Step 6: Final answer
    x = 3,956.85

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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.