Home / 5,383.38-7,424.94-3,896.22

Finding the Fourth Proportional to 5,383.38, 7,424.94 and 3,896.22

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Solution

The fourth proportional to 5,383.38, 7,424.94 and 3,896.22 is: 5,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.38 : 7,424.94 = 3,896.22 : x
  2. Step 2: Convert to fraction form
    5,383.38/7,424.94 = 3,896.22/x
  3. Step 3: Cross multiply
    5,383.38x = 7,424.94 × 3,896.22
  4. Step 4: Simplify right side
    5,383.38x = 28,929,199.73
  5. Step 5: Solve for x
    x = 28,929,199.73/5,383.38
  6. Step 6: Final answer
    x = 5,373.80

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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.