Home / 6,601.59-9,896.18-2,215.97

Finding the Fourth Proportional to 6,601.59, 9,896.18 and 2,215.97

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Solution

The fourth proportional to 6,601.59, 9,896.18 and 2,215.97 is: 3,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.59 : 9,896.18 = 2,215.97 : x
  2. Step 2: Convert to fraction form
    6,601.59/9,896.18 = 2,215.97/x
  3. Step 3: Cross multiply
    6,601.59x = 9,896.18 × 2,215.97
  4. Step 4: Simplify right side
    6,601.59x = 21,929,626.91
  5. Step 5: Solve for x
    x = 21,929,626.91/6,601.59
  6. Step 6: Final answer
    x = 3,321.87

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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.