Home / 5,458.40-8,168.70-3,268.70

Finding the Fourth Proportional to 5,458.40, 8,168.70 and 3,268.70

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Solution

The fourth proportional to 5,458.40, 8,168.70 and 3,268.70 is: 4,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.40 : 8,168.70 = 3,268.70 : x
  2. Step 2: Convert to fraction form
    5,458.40/8,168.70 = 3,268.70/x
  3. Step 3: Cross multiply
    5,458.40x = 8,168.70 × 3,268.70
  4. Step 4: Simplify right side
    5,458.40x = 26,701,029.69
  5. Step 5: Solve for x
    x = 26,701,029.69/5,458.40
  6. Step 6: Final answer
    x = 4,891.73

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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.