Home / 4,936.97-7,405.26-1,239.23

Finding the Fourth Proportional to 4,936.97, 7,405.26 and 1,239.23

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Solution

The fourth proportional to 4,936.97, 7,405.26 and 1,239.23 is: 1,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.97 : 7,405.26 = 1,239.23 : x
  2. Step 2: Convert to fraction form
    4,936.97/7,405.26 = 1,239.23/x
  3. Step 3: Cross multiply
    4,936.97x = 7,405.26 × 1,239.23
  4. Step 4: Simplify right side
    4,936.97x = 9,176,783.32
  5. Step 5: Solve for x
    x = 9,176,783.32/4,936.97
  6. Step 6: Final answer
    x = 1,858.79

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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.