Home / 5,448.23-8,173.11-2,161.66

Finding the Fourth Proportional to 5,448.23, 8,173.11 and 2,161.66

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Solution

The fourth proportional to 5,448.23, 8,173.11 and 2,161.66 is: 3,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.23 : 8,173.11 = 2,161.66 : x
  2. Step 2: Convert to fraction form
    5,448.23/8,173.11 = 2,161.66/x
  3. Step 3: Cross multiply
    5,448.23x = 8,173.11 × 2,161.66
  4. Step 4: Simplify right side
    5,448.23x = 17,667,484.96
  5. Step 5: Solve for x
    x = 17,667,484.96/5,448.23
  6. Step 6: Final answer
    x = 3,242.79

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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.