Home / 6,791.21-10,187.01-3,091.53

Finding the Fourth Proportional to 6,791.21, 10,187.01 and 3,091.53

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Solution

The fourth proportional to 6,791.21, 10,187.01 and 3,091.53 is: 4,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.21 : 10,187.01 = 3,091.53 : x
  2. Step 2: Convert to fraction form
    6,791.21/10,187.01 = 3,091.53/x
  3. Step 3: Cross multiply
    6,791.21x = 10,187.01 × 3,091.53
  4. Step 4: Simplify right side
    6,791.21x = 31,493,447.03
  5. Step 5: Solve for x
    x = 31,493,447.03/6,791.21
  6. Step 6: Final answer
    x = 4,637.38

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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.