Home / 6,791.94-10,188.36-1,861.16

Finding the Fourth Proportional to 6,791.94, 10,188.36 and 1,861.16

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Solution

The fourth proportional to 6,791.94, 10,188.36 and 1,861.16 is: 2,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.94 : 10,188.36 = 1,861.16 : x
  2. Step 2: Convert to fraction form
    6,791.94/10,188.36 = 1,861.16/x
  3. Step 3: Cross multiply
    6,791.94x = 10,188.36 × 1,861.16
  4. Step 4: Simplify right side
    6,791.94x = 18,962,168.10
  5. Step 5: Solve for x
    x = 18,962,168.10/6,791.94
  6. Step 6: Final answer
    x = 2,791.86

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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.