Home / 4,078.36-5,627.83-2,286.03

Finding the Fourth Proportional to 4,078.36, 5,627.83 and 2,286.03

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Solution

The fourth proportional to 4,078.36, 5,627.83 and 2,286.03 is: 3,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.36 : 5,627.83 = 2,286.03 : x
  2. Step 2: Convert to fraction form
    4,078.36/5,627.83 = 2,286.03/x
  3. Step 3: Cross multiply
    4,078.36x = 5,627.83 × 2,286.03
  4. Step 4: Simplify right side
    4,078.36x = 12,865,388.21
  5. Step 5: Solve for x
    x = 12,865,388.21/4,078.36
  6. Step 6: Final answer
    x = 3,154.55

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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.