Home / 5,743.90-8,620.17-3,890.62

Finding the Fourth Proportional to 5,743.90, 8,620.17 and 3,890.62

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Solution

The fourth proportional to 5,743.90, 8,620.17 and 3,890.62 is: 5,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.90 : 8,620.17 = 3,890.62 : x
  2. Step 2: Convert to fraction form
    5,743.90/8,620.17 = 3,890.62/x
  3. Step 3: Cross multiply
    5,743.90x = 8,620.17 × 3,890.62
  4. Step 4: Simplify right side
    5,743.90x = 33,537,805.81
  5. Step 5: Solve for x
    x = 33,537,805.81/5,743.90
  6. Step 6: Final answer
    x = 5,838.86

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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.