Home / 5,590.69-8,380.82-1,890.33

Finding the Fourth Proportional to 5,590.69, 8,380.82 and 1,890.33

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Solution

The fourth proportional to 5,590.69, 8,380.82 and 1,890.33 is: 2,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.69 : 8,380.82 = 1,890.33 : x
  2. Step 2: Convert to fraction form
    5,590.69/8,380.82 = 1,890.33/x
  3. Step 3: Cross multiply
    5,590.69x = 8,380.82 × 1,890.33
  4. Step 4: Simplify right side
    5,590.69x = 15,842,520.20
  5. Step 5: Solve for x
    x = 15,842,520.20/5,590.69
  6. Step 6: Final answer
    x = 2,833.73

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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.