Home / 4,505.72-6,217.82-2,489.12

Finding the Fourth Proportional to 4,505.72, 6,217.82 and 2,489.12

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Solution

The fourth proportional to 4,505.72, 6,217.82 and 2,489.12 is: 3,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.72 : 6,217.82 = 2,489.12 : x
  2. Step 2: Convert to fraction form
    4,505.72/6,217.82 = 2,489.12/x
  3. Step 3: Cross multiply
    4,505.72x = 6,217.82 × 2,489.12
  4. Step 4: Simplify right side
    4,505.72x = 15,476,900.12
  5. Step 5: Solve for x
    x = 15,476,900.12/4,505.72
  6. Step 6: Final answer
    x = 3,434.94

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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.