Home / 4,286.76-6,419.13-2,968.64

Finding the Fourth Proportional to 4,286.76, 6,419.13 and 2,968.64

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Solution

The fourth proportional to 4,286.76, 6,419.13 and 2,968.64 is: 4,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.76 : 6,419.13 = 2,968.64 : x
  2. Step 2: Convert to fraction form
    4,286.76/6,419.13 = 2,968.64/x
  3. Step 3: Cross multiply
    4,286.76x = 6,419.13 × 2,968.64
  4. Step 4: Simplify right side
    4,286.76x = 19,056,086.08
  5. Step 5: Solve for x
    x = 19,056,086.08/4,286.76
  6. Step 6: Final answer
    x = 4,445.34

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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.