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Finding the Fourth Proportional to 5,861.33, 8,791.04 and 2,165.30

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Solution

The fourth proportional to 5,861.33, 8,791.04 and 2,165.30 is: 3,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.33 : 8,791.04 = 2,165.30 : x
  2. Step 2: Convert to fraction form
    5,861.33/8,791.04 = 2,165.30/x
  3. Step 3: Cross multiply
    5,861.33x = 8,791.04 × 2,165.30
  4. Step 4: Simplify right side
    5,861.33x = 19,035,238.91
  5. Step 5: Solve for x
    x = 19,035,238.91/5,861.33
  6. Step 6: Final answer
    x = 3,247.60

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1.5x scale

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.