Home / 5,221.73-7,206.06-2,863.72

Finding the Fourth Proportional to 5,221.73, 7,206.06 and 2,863.72

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Solution

The fourth proportional to 5,221.73, 7,206.06 and 2,863.72 is: 3,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.73 : 7,206.06 = 2,863.72 : x
  2. Step 2: Convert to fraction form
    5,221.73/7,206.06 = 2,863.72/x
  3. Step 3: Cross multiply
    5,221.73x = 7,206.06 × 2,863.72
  4. Step 4: Simplify right side
    5,221.73x = 20,636,102.11
  5. Step 5: Solve for x
    x = 20,636,102.11/5,221.73
  6. Step 6: Final answer
    x = 3,951.97

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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.