Home / 4,286.18-5,919.90-2,867.51

Finding the Fourth Proportional to 4,286.18, 5,919.90 and 2,867.51

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Solution

The fourth proportional to 4,286.18, 5,919.90 and 2,867.51 is: 3,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.18 : 5,919.90 = 2,867.51 : x
  2. Step 2: Convert to fraction form
    4,286.18/5,919.90 = 2,867.51/x
  3. Step 3: Cross multiply
    4,286.18x = 5,919.90 × 2,867.51
  4. Step 4: Simplify right side
    4,286.18x = 16,975,372.45
  5. Step 5: Solve for x
    x = 16,975,372.45/4,286.18
  6. Step 6: Final answer
    x = 3,960.49

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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.