Home / 5,399.37-8,101.08-2,114.73

Finding the Fourth Proportional to 5,399.37, 8,101.08 and 2,114.73

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Solution

The fourth proportional to 5,399.37, 8,101.08 and 2,114.73 is: 3,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.37 : 8,101.08 = 2,114.73 : x
  2. Step 2: Convert to fraction form
    5,399.37/8,101.08 = 2,114.73/x
  3. Step 3: Cross multiply
    5,399.37x = 8,101.08 × 2,114.73
  4. Step 4: Simplify right side
    5,399.37x = 17,131,596.91
  5. Step 5: Solve for x
    x = 17,131,596.91/5,399.37
  6. Step 6: Final answer
    x = 3,172.89

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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.