Home / 6,635.54-9,953.46-2,191.79

Finding the Fourth Proportional to 6,635.54, 9,953.46 and 2,191.79

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Solution

The fourth proportional to 6,635.54, 9,953.46 and 2,191.79 is: 3,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.54 : 9,953.46 = 2,191.79 : x
  2. Step 2: Convert to fraction form
    6,635.54/9,953.46 = 2,191.79/x
  3. Step 3: Cross multiply
    6,635.54x = 9,953.46 × 2,191.79
  4. Step 4: Simplify right side
    6,635.54x = 21,815,844.33
  5. Step 5: Solve for x
    x = 21,815,844.33/6,635.54
  6. Step 6: Final answer
    x = 3,287.73

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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.