Home / 5,111.94-7,662.44-2,644.28

Finding the Fourth Proportional to 5,111.94, 7,662.44 and 2,644.28

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Solution

The fourth proportional to 5,111.94, 7,662.44 and 2,644.28 is: 3,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.94 : 7,662.44 = 2,644.28 : x
  2. Step 2: Convert to fraction form
    5,111.94/7,662.44 = 2,644.28/x
  3. Step 3: Cross multiply
    5,111.94x = 7,662.44 × 2,644.28
  4. Step 4: Simplify right side
    5,111.94x = 20,261,605.14
  5. Step 5: Solve for x
    x = 20,261,605.14/5,111.94
  6. Step 6: Final answer
    x = 3,963.58

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1.5x scale

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.