Home / 4,079.09-5,629.49-2,286.54

Finding the Fourth Proportional to 4,079.09, 5,629.49 and 2,286.54

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Solution

The fourth proportional to 4,079.09, 5,629.49 and 2,286.54 is: 3,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.09 : 5,629.49 = 2,286.54 : x
  2. Step 2: Convert to fraction form
    4,079.09/5,629.49 = 2,286.54/x
  3. Step 3: Cross multiply
    4,079.09x = 5,629.49 × 2,286.54
  4. Step 4: Simplify right side
    4,079.09x = 12,872,037.66
  5. Step 5: Solve for x
    x = 12,872,037.66/4,079.09
  6. Step 6: Final answer
    x = 3,155.62

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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.