Home / 4,919.54-7,382.64-3,689.96

Finding the Fourth Proportional to 4,919.54, 7,382.64 and 3,689.96

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Solution

The fourth proportional to 4,919.54, 7,382.64 and 3,689.96 is: 5,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.54 : 7,382.64 = 3,689.96 : x
  2. Step 2: Convert to fraction form
    4,919.54/7,382.64 = 3,689.96/x
  3. Step 3: Cross multiply
    4,919.54x = 7,382.64 × 3,689.96
  4. Step 4: Simplify right side
    4,919.54x = 27,241,623.22
  5. Step 5: Solve for x
    x = 27,241,623.22/4,919.54
  6. Step 6: Final answer
    x = 5,537.44

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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.