Home / 5,148.36-7,716.69-2,027.79

Finding the Fourth Proportional to 5,148.36, 7,716.69 and 2,027.79

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Solution

The fourth proportional to 5,148.36, 7,716.69 and 2,027.79 is: 3,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.36 : 7,716.69 = 2,027.79 : x
  2. Step 2: Convert to fraction form
    5,148.36/7,716.69 = 2,027.79/x
  3. Step 3: Cross multiply
    5,148.36x = 7,716.69 × 2,027.79
  4. Step 4: Simplify right side
    5,148.36x = 15,647,826.82
  5. Step 5: Solve for x
    x = 15,647,826.82/5,148.36
  6. Step 6: Final answer
    x = 3,039.38

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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.