Home / 4,762.26-7,144.62-2,789.55

Finding the Fourth Proportional to 4,762.26, 7,144.62 and 2,789.55

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Solution

The fourth proportional to 4,762.26, 7,144.62 and 2,789.55 is: 4,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.26 : 7,144.62 = 2,789.55 : x
  2. Step 2: Convert to fraction form
    4,762.26/7,144.62 = 2,789.55/x
  3. Step 3: Cross multiply
    4,762.26x = 7,144.62 × 2,789.55
  4. Step 4: Simplify right side
    4,762.26x = 19,930,274.72
  5. Step 5: Solve for x
    x = 19,930,274.72/4,762.26
  6. Step 6: Final answer
    x = 4,185.05

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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.