Home / 5,383.98-7,431.24-3,289.86

Finding the Fourth Proportional to 5,383.98, 7,431.24 and 3,289.86

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Solution

The fourth proportional to 5,383.98, 7,431.24 and 3,289.86 is: 4,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.98 : 7,431.24 = 3,289.86 : x
  2. Step 2: Convert to fraction form
    5,383.98/7,431.24 = 3,289.86/x
  3. Step 3: Cross multiply
    5,383.98x = 7,431.24 × 3,289.86
  4. Step 4: Simplify right side
    5,383.98x = 24,447,739.23
  5. Step 5: Solve for x
    x = 24,447,739.23/5,383.98
  6. Step 6: Final answer
    x = 4,540.83

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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.