Home / 4,164.28-6,245.94-1,971.64

Finding the Fourth Proportional to 4,164.28, 6,245.94 and 1,971.64

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Solution

The fourth proportional to 4,164.28, 6,245.94 and 1,971.64 is: 2,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.28 : 6,245.94 = 1,971.64 : x
  2. Step 2: Convert to fraction form
    4,164.28/6,245.94 = 1,971.64/x
  3. Step 3: Cross multiply
    4,164.28x = 6,245.94 × 1,971.64
  4. Step 4: Simplify right side
    4,164.28x = 12,314,745.14
  5. Step 5: Solve for x
    x = 12,314,745.14/4,164.28
  6. Step 6: Final answer
    x = 2,957.23

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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.