Home / 4,215.88-5,817.30-2,447.56

Finding the Fourth Proportional to 4,215.88, 5,817.30 and 2,447.56

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Solution

The fourth proportional to 4,215.88, 5,817.30 and 2,447.56 is: 3,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.88 : 5,817.30 = 2,447.56 : x
  2. Step 2: Convert to fraction form
    4,215.88/5,817.30 = 2,447.56/x
  3. Step 3: Cross multiply
    4,215.88x = 5,817.30 × 2,447.56
  4. Step 4: Simplify right side
    4,215.88x = 14,238,190.79
  5. Step 5: Solve for x
    x = 14,238,190.79/4,215.88
  6. Step 6: Final answer
    x = 3,377.28

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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.