Home / 5,561.54-7,674.96-3,138.92

Finding the Fourth Proportional to 5,561.54, 7,674.96 and 3,138.92

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Solution

The fourth proportional to 5,561.54, 7,674.96 and 3,138.92 is: 4,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.54 : 7,674.96 = 3,138.92 : x
  2. Step 2: Convert to fraction form
    5,561.54/7,674.96 = 3,138.92/x
  3. Step 3: Cross multiply
    5,561.54x = 7,674.96 × 3,138.92
  4. Step 4: Simplify right side
    5,561.54x = 24,091,092.86
  5. Step 5: Solve for x
    x = 24,091,092.86/5,561.54
  6. Step 6: Final answer
    x = 4,331.73

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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.