Home / 4,789.96-7,179.62-2,015.81

Finding the Fourth Proportional to 4,789.96, 7,179.62 and 2,015.81

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Solution

The fourth proportional to 4,789.96, 7,179.62 and 2,015.81 is: 3,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.96 : 7,179.62 = 2,015.81 : x
  2. Step 2: Convert to fraction form
    4,789.96/7,179.62 = 2,015.81/x
  3. Step 3: Cross multiply
    4,789.96x = 7,179.62 × 2,015.81
  4. Step 4: Simplify right side
    4,789.96x = 14,472,749.79
  5. Step 5: Solve for x
    x = 14,472,749.79/4,789.96
  6. Step 6: Final answer
    x = 3,021.48

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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.