Home / 6,732.20-9,290.34-3,900.48

Finding the Fourth Proportional to 6,732.20, 9,290.34 and 3,900.48

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Solution

The fourth proportional to 6,732.20, 9,290.34 and 3,900.48 is: 5,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.20 : 9,290.34 = 3,900.48 : x
  2. Step 2: Convert to fraction form
    6,732.20/9,290.34 = 3,900.48/x
  3. Step 3: Cross multiply
    6,732.20x = 9,290.34 × 3,900.48
  4. Step 4: Simplify right side
    6,732.20x = 36,236,785.36
  5. Step 5: Solve for x
    x = 36,236,785.36/6,732.20
  6. Step 6: Final answer
    x = 5,382.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.