Home / 6,791.99-10,189.58-2,111.76

Finding the Fourth Proportional to 6,791.99, 10,189.58 and 2,111.76

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Solution

The fourth proportional to 6,791.99, 10,189.58 and 2,111.76 is: 3,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.99 : 10,189.58 = 2,111.76 : x
  2. Step 2: Convert to fraction form
    6,791.99/10,189.58 = 2,111.76/x
  3. Step 3: Cross multiply
    6,791.99x = 10,189.58 × 2,111.76
  4. Step 4: Simplify right side
    6,791.99x = 21,517,936.90
  5. Step 5: Solve for x
    x = 21,517,936.90/6,791.99
  6. Step 6: Final answer
    x = 3,168.14

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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.