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Finding the Fourth Proportional to 5,920.69, 8,879.20 and 2,024.19

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Solution

The fourth proportional to 5,920.69, 8,879.20 and 2,024.19 is: 3,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.69 : 8,879.20 = 2,024.19 : x
  2. Step 2: Convert to fraction form
    5,920.69/8,879.20 = 2,024.19/x
  3. Step 3: Cross multiply
    5,920.69x = 8,879.20 × 2,024.19
  4. Step 4: Simplify right side
    5,920.69x = 17,973,187.85
  5. Step 5: Solve for x
    x = 17,973,187.85/5,920.69
  6. Step 6: Final answer
    x = 3,035.66

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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.