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Finding the Fourth Proportional to 5,353.92, 7,383.24 and 4,233.24

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Solution

The fourth proportional to 5,353.92, 7,383.24 and 4,233.24 is: 5,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.92 : 7,383.24 = 4,233.24 : x
  2. Step 2: Convert to fraction form
    5,353.92/7,383.24 = 4,233.24/x
  3. Step 3: Cross multiply
    5,353.92x = 7,383.24 × 4,233.24
  4. Step 4: Simplify right side
    5,353.92x = 31,255,026.90
  5. Step 5: Solve for x
    x = 31,255,026.90/5,353.92
  6. Step 6: Final answer
    x = 5,837.78

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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.