Home / 4,215.89-5,819.07-2,447.13

Finding the Fourth Proportional to 4,215.89, 5,819.07 and 2,447.13

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Solution

The fourth proportional to 4,215.89, 5,819.07 and 2,447.13 is: 3,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.89 : 5,819.07 = 2,447.13 : x
  2. Step 2: Convert to fraction form
    4,215.89/5,819.07 = 2,447.13/x
  3. Step 3: Cross multiply
    4,215.89x = 5,819.07 × 2,447.13
  4. Step 4: Simplify right side
    4,215.89x = 14,240,020.77
  5. Step 5: Solve for x
    x = 14,240,020.77/4,215.89
  6. Step 6: Final answer
    x = 3,377.71

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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.