Home / 5,180.42-7,771.79-1,893.43

Finding the Fourth Proportional to 5,180.42, 7,771.79 and 1,893.43

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Solution

The fourth proportional to 5,180.42, 7,771.79 and 1,893.43 is: 2,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.42 : 7,771.79 = 1,893.43 : x
  2. Step 2: Convert to fraction form
    5,180.42/7,771.79 = 1,893.43/x
  3. Step 3: Cross multiply
    5,180.42x = 7,771.79 × 1,893.43
  4. Step 4: Simplify right side
    5,180.42x = 14,715,292.01
  5. Step 5: Solve for x
    x = 14,715,292.01/5,180.42
  6. Step 6: Final answer
    x = 2,840.56

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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.