Home / 4,505.77-6,217.65-2,489.09

Finding the Fourth Proportional to 4,505.77, 6,217.65 and 2,489.09

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Solution

The fourth proportional to 4,505.77, 6,217.65 and 2,489.09 is: 3,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.77 : 6,217.65 = 2,489.09 : x
  2. Step 2: Convert to fraction form
    4,505.77/6,217.65 = 2,489.09/x
  3. Step 3: Cross multiply
    4,505.77x = 6,217.65 × 2,489.09
  4. Step 4: Simplify right side
    4,505.77x = 15,476,305.98
  5. Step 5: Solve for x
    x = 15,476,305.98/4,505.77
  6. Step 6: Final answer
    x = 3,434.78

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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.