Home / 5,351.62-8,021.79-1,840.54

Finding the Fourth Proportional to 5,351.62, 8,021.79 and 1,840.54

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Solution

The fourth proportional to 5,351.62, 8,021.79 and 1,840.54 is: 2,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.62 : 8,021.79 = 1,840.54 : x
  2. Step 2: Convert to fraction form
    5,351.62/8,021.79 = 1,840.54/x
  3. Step 3: Cross multiply
    5,351.62x = 8,021.79 × 1,840.54
  4. Step 4: Simplify right side
    5,351.62x = 14,764,425.37
  5. Step 5: Solve for x
    x = 14,764,425.37/5,351.62
  6. Step 6: Final answer
    x = 2,758.87

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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.