Home / 4,942.96-7,415.96-2,021.49

Finding the Fourth Proportional to 4,942.96, 7,415.96 and 2,021.49

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Solution

The fourth proportional to 4,942.96, 7,415.96 and 2,021.49 is: 3,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.96 : 7,415.96 = 2,021.49 : x
  2. Step 2: Convert to fraction form
    4,942.96/7,415.96 = 2,021.49/x
  3. Step 3: Cross multiply
    4,942.96x = 7,415.96 × 2,021.49
  4. Step 4: Simplify right side
    4,942.96x = 14,991,278.87
  5. Step 5: Solve for x
    x = 14,991,278.87/4,942.96
  6. Step 6: Final answer
    x = 3,032.86

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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.