Home / 4,945.80-7,412.22-2,020.76

Finding the Fourth Proportional to 4,945.80, 7,412.22 and 2,020.76

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Solution

The fourth proportional to 4,945.80, 7,412.22 and 2,020.76 is: 3,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.80 : 7,412.22 = 2,020.76 : x
  2. Step 2: Convert to fraction form
    4,945.80/7,412.22 = 2,020.76/x
  3. Step 3: Cross multiply
    4,945.80x = 7,412.22 × 2,020.76
  4. Step 4: Simplify right side
    4,945.80x = 14,978,280.63
  5. Step 5: Solve for x
    x = 14,978,280.63/4,945.80
  6. Step 6: Final answer
    x = 3,028.48

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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.