Home / 5,477.34-8,216.01-2,191.21

Finding the Fourth Proportional to 5,477.34, 8,216.01 and 2,191.21

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Solution

The fourth proportional to 5,477.34, 8,216.01 and 2,191.21 is: 3,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.34 : 8,216.01 = 2,191.21 : x
  2. Step 2: Convert to fraction form
    5,477.34/8,216.01 = 2,191.21/x
  3. Step 3: Cross multiply
    5,477.34x = 8,216.01 × 2,191.21
  4. Step 4: Simplify right side
    5,477.34x = 18,002,982.73
  5. Step 5: Solve for x
    x = 18,002,982.73/5,477.34
  6. Step 6: Final answer
    x = 3,286.81

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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.