Home / 5,388.37-7,433.51-3,893.92

Finding the Fourth Proportional to 5,388.37, 7,433.51 and 3,893.92

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Solution

The fourth proportional to 5,388.37, 7,433.51 and 3,893.92 is: 5,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.37 : 7,433.51 = 3,893.92 : x
  2. Step 2: Convert to fraction form
    5,388.37/7,433.51 = 3,893.92/x
  3. Step 3: Cross multiply
    5,388.37x = 7,433.51 × 3,893.92
  4. Step 4: Simplify right side
    5,388.37x = 28,945,455.21
  5. Step 5: Solve for x
    x = 28,945,455.21/5,388.37
  6. Step 6: Final answer
    x = 5,371.84

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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.