Home / 4,273.53-6,405.92-1,640.33

Finding the Fourth Proportional to 4,273.53, 6,405.92 and 1,640.33

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Solution

The fourth proportional to 4,273.53, 6,405.92 and 1,640.33 is: 2,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.53 : 6,405.92 = 1,640.33 : x
  2. Step 2: Convert to fraction form
    4,273.53/6,405.92 = 1,640.33/x
  3. Step 3: Cross multiply
    4,273.53x = 6,405.92 × 1,640.33
  4. Step 4: Simplify right side
    4,273.53x = 10,507,782.52
  5. Step 5: Solve for x
    x = 10,507,782.52/4,273.53
  6. Step 6: Final answer
    x = 2,458.81

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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.