Home / 5,861.57-8,792.38-2,161.90

Finding the Fourth Proportional to 5,861.57, 8,792.38 and 2,161.90

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Solution

The fourth proportional to 5,861.57, 8,792.38 and 2,161.90 is: 3,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.57 : 8,792.38 = 2,161.90 : x
  2. Step 2: Convert to fraction form
    5,861.57/8,792.38 = 2,161.90/x
  3. Step 3: Cross multiply
    5,861.57x = 8,792.38 × 2,161.90
  4. Step 4: Simplify right side
    5,861.57x = 19,008,246.32
  5. Step 5: Solve for x
    x = 19,008,246.32/5,861.57
  6. Step 6: Final answer
    x = 3,242.86

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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.