Home / 4,339.70-6,511.44-2,147.18

Finding the Fourth Proportional to 4,339.70, 6,511.44 and 2,147.18

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Solution

The fourth proportional to 4,339.70, 6,511.44 and 2,147.18 is: 3,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.70 : 6,511.44 = 2,147.18 : x
  2. Step 2: Convert to fraction form
    4,339.70/6,511.44 = 2,147.18/x
  3. Step 3: Cross multiply
    4,339.70x = 6,511.44 × 2,147.18
  4. Step 4: Simplify right side
    4,339.70x = 13,981,233.74
  5. Step 5: Solve for x
    x = 13,981,233.74/4,339.70
  6. Step 6: Final answer
    x = 3,221.71

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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.