Home / 5,769.38-8,650.97-2,989.15

Finding the Fourth Proportional to 5,769.38, 8,650.97 and 2,989.15

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Solution

The fourth proportional to 5,769.38, 8,650.97 and 2,989.15 is: 4,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.38 : 8,650.97 = 2,989.15 : x
  2. Step 2: Convert to fraction form
    5,769.38/8,650.97 = 2,989.15/x
  3. Step 3: Cross multiply
    5,769.38x = 8,650.97 × 2,989.15
  4. Step 4: Simplify right side
    5,769.38x = 25,859,070.27
  5. Step 5: Solve for x
    x = 25,859,070.27/5,769.38
  6. Step 6: Final answer
    x = 4,482.13

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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.