Home / 3,967.21-5,470.63-2,773.27

Finding the Fourth Proportional to 3,967.21, 5,470.63 and 2,773.27

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Solution

The fourth proportional to 3,967.21, 5,470.63 and 2,773.27 is: 3,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.21 : 5,470.63 = 2,773.27 : x
  2. Step 2: Convert to fraction form
    3,967.21/5,470.63 = 2,773.27/x
  3. Step 3: Cross multiply
    3,967.21x = 5,470.63 × 2,773.27
  4. Step 4: Simplify right side
    3,967.21x = 15,171,534.06
  5. Step 5: Solve for x
    x = 15,171,534.06/3,967.21
  6. Step 6: Final answer
    x = 3,824.23

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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.