Home / 5,110.44-7,664.79-1,647.69

Finding the Fourth Proportional to 5,110.44, 7,664.79 and 1,647.69

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Solution

The fourth proportional to 5,110.44, 7,664.79 and 1,647.69 is: 2,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.44 : 7,664.79 = 1,647.69 : x
  2. Step 2: Convert to fraction form
    5,110.44/7,664.79 = 1,647.69/x
  3. Step 3: Cross multiply
    5,110.44x = 7,664.79 × 1,647.69
  4. Step 4: Simplify right side
    5,110.44x = 12,629,175.27
  5. Step 5: Solve for x
    x = 12,629,175.27/5,110.44
  6. Step 6: Final answer
    x = 2,471.25

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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.