Home / 5,450.50-8,177.64-2,165.86

Finding the Fourth Proportional to 5,450.50, 8,177.64 and 2,165.86

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Solution

The fourth proportional to 5,450.50, 8,177.64 and 2,165.86 is: 3,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.50 : 8,177.64 = 2,165.86 : x
  2. Step 2: Convert to fraction form
    5,450.50/8,177.64 = 2,165.86/x
  3. Step 3: Cross multiply
    5,450.50x = 8,177.64 × 2,165.86
  4. Step 4: Simplify right side
    5,450.50x = 17,711,623.37
  5. Step 5: Solve for x
    x = 17,711,623.37/5,450.50
  6. Step 6: Final answer
    x = 3,249.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.