Home / 7,791.89-10,752.39-4,255.22

Finding the Fourth Proportional to 7,791.89, 10,752.39 and 4,255.22

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Solution

The fourth proportional to 7,791.89, 10,752.39 and 4,255.22 is: 5,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.89 : 10,752.39 = 4,255.22 : x
  2. Step 2: Convert to fraction form
    7,791.89/10,752.39 = 4,255.22/x
  3. Step 3: Cross multiply
    7,791.89x = 10,752.39 × 4,255.22
  4. Step 4: Simplify right side
    7,791.89x = 45,753,731.21
  5. Step 5: Solve for x
    x = 45,753,731.21/7,791.89
  6. Step 6: Final answer
    x = 5,871.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.