Home / 6,791.49-10,187.24-1,861.16

Finding the Fourth Proportional to 6,791.49, 10,187.24 and 1,861.16

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Solution

The fourth proportional to 6,791.49, 10,187.24 and 1,861.16 is: 2,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.49 : 10,187.24 = 1,861.16 : x
  2. Step 2: Convert to fraction form
    6,791.49/10,187.24 = 1,861.16/x
  3. Step 3: Cross multiply
    6,791.49x = 10,187.24 × 1,861.16
  4. Step 4: Simplify right side
    6,791.49x = 18,960,023.36
  5. Step 5: Solve for x
    x = 18,960,023.36/6,791.49
  6. Step 6: Final answer
    x = 2,791.73

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Similar ratio
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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.