Home / 6,020.87-9,031.37-2,122.54

Finding the Fourth Proportional to 6,020.87, 9,031.37 and 2,122.54

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Solution

The fourth proportional to 6,020.87, 9,031.37 and 2,122.54 is: 3,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.87 : 9,031.37 = 2,122.54 : x
  2. Step 2: Convert to fraction form
    6,020.87/9,031.37 = 2,122.54/x
  3. Step 3: Cross multiply
    6,020.87x = 9,031.37 × 2,122.54
  4. Step 4: Simplify right side
    6,020.87x = 19,169,410.89
  5. Step 5: Solve for x
    x = 19,169,410.89/6,020.87
  6. Step 6: Final answer
    x = 3,183.83

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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.