Home / 4,258.42-6,388.64-1,447.44

Finding the Fourth Proportional to 4,258.42, 6,388.64 and 1,447.44

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Solution

The fourth proportional to 4,258.42, 6,388.64 and 1,447.44 is: 2,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.42 : 6,388.64 = 1,447.44 : x
  2. Step 2: Convert to fraction form
    4,258.42/6,388.64 = 1,447.44/x
  3. Step 3: Cross multiply
    4,258.42x = 6,388.64 × 1,447.44
  4. Step 4: Simplify right side
    4,258.42x = 9,247,200.66
  5. Step 5: Solve for x
    x = 9,247,200.66/4,258.42
  6. Step 6: Final answer
    x = 2,171.51

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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.