Home / 5,449.33-8,178.11-2,162.70

Finding the Fourth Proportional to 5,449.33, 8,178.11 and 2,162.70

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Solution

The fourth proportional to 5,449.33, 8,178.11 and 2,162.70 is: 3,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.33 : 8,178.11 = 2,162.70 : x
  2. Step 2: Convert to fraction form
    5,449.33/8,178.11 = 2,162.70/x
  3. Step 3: Cross multiply
    5,449.33x = 8,178.11 × 2,162.70
  4. Step 4: Simplify right side
    5,449.33x = 17,686,807.96
  5. Step 5: Solve for x
    x = 17,686,807.96/5,449.33
  6. Step 6: Final answer
    x = 3,245.69

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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.