Home / 5,020.29-7,520.20-2,379.79

Finding the Fourth Proportional to 5,020.29, 7,520.20 and 2,379.79

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Solution

The fourth proportional to 5,020.29, 7,520.20 and 2,379.79 is: 3,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.29 : 7,520.20 = 2,379.79 : x
  2. Step 2: Convert to fraction form
    5,020.29/7,520.20 = 2,379.79/x
  3. Step 3: Cross multiply
    5,020.29x = 7,520.20 × 2,379.79
  4. Step 4: Simplify right side
    5,020.29x = 17,896,447.26
  5. Step 5: Solve for x
    x = 17,896,447.26/5,020.29
  6. Step 6: Final answer
    x = 3,564.83

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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.