Home / 6,791.44-10,187.61-1,860.66

Finding the Fourth Proportional to 6,791.44, 10,187.61 and 1,860.66

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Solution

The fourth proportional to 6,791.44, 10,187.61 and 1,860.66 is: 2,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.44 : 10,187.61 = 1,860.66 : x
  2. Step 2: Convert to fraction form
    6,791.44/10,187.61 = 1,860.66/x
  3. Step 3: Cross multiply
    6,791.44x = 10,187.61 × 1,860.66
  4. Step 4: Simplify right side
    6,791.44x = 18,955,669.12
  5. Step 5: Solve for x
    x = 18,955,669.12/6,791.44
  6. Step 6: Final answer
    x = 2,791.11

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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.