Home / 4,213.91-5,815.06-2,299.66

Finding the Fourth Proportional to 4,213.91, 5,815.06 and 2,299.66

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Solution

The fourth proportional to 4,213.91, 5,815.06 and 2,299.66 is: 3,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.91 : 5,815.06 = 2,299.66 : x
  2. Step 2: Convert to fraction form
    4,213.91/5,815.06 = 2,299.66/x
  3. Step 3: Cross multiply
    4,213.91x = 5,815.06 × 2,299.66
  4. Step 4: Simplify right side
    4,213.91x = 13,372,660.88
  5. Step 5: Solve for x
    x = 13,372,660.88/4,213.91
  6. Step 6: Final answer
    x = 3,173.46

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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.