Home / 4,215.54-5,819.09-3,772.68

Finding the Fourth Proportional to 4,215.54, 5,819.09 and 3,772.68

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Solution

The fourth proportional to 4,215.54, 5,819.09 and 3,772.68 is: 5,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.54 : 5,819.09 = 3,772.68 : x
  2. Step 2: Convert to fraction form
    4,215.54/5,819.09 = 3,772.68/x
  3. Step 3: Cross multiply
    4,215.54x = 5,819.09 × 3,772.68
  4. Step 4: Simplify right side
    4,215.54x = 21,953,545.00
  5. Step 5: Solve for x
    x = 21,953,545.00/4,215.54
  6. Step 6: Final answer
    x = 5,207.76

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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.