Home / 4,258.42-6,371.22-2,865.12

Finding the Fourth Proportional to 4,258.42, 6,371.22 and 2,865.12

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Solution

The fourth proportional to 4,258.42, 6,371.22 and 2,865.12 is: 4,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.42 : 6,371.22 = 2,865.12 : x
  2. Step 2: Convert to fraction form
    4,258.42/6,371.22 = 2,865.12/x
  3. Step 3: Cross multiply
    4,258.42x = 6,371.22 × 2,865.12
  4. Step 4: Simplify right side
    4,258.42x = 18,254,296.70
  5. Step 5: Solve for x
    x = 18,254,296.70/4,258.42
  6. Step 6: Final answer
    x = 4,286.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.