Home / 4,918.74-7,382.97-3,164.28

Finding the Fourth Proportional to 4,918.74, 7,382.97 and 3,164.28

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Solution

The fourth proportional to 4,918.74, 7,382.97 and 3,164.28 is: 4,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.74 : 7,382.97 = 3,164.28 : x
  2. Step 2: Convert to fraction form
    4,918.74/7,382.97 = 3,164.28/x
  3. Step 3: Cross multiply
    4,918.74x = 7,382.97 × 3,164.28
  4. Step 4: Simplify right side
    4,918.74x = 23,361,784.31
  5. Step 5: Solve for x
    x = 23,361,784.31/4,918.74
  6. Step 6: Final answer
    x = 4,749.55

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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.