Home / 4,012.62-6,019.56-1,379.85

Finding the Fourth Proportional to 4,012.62, 6,019.56 and 1,379.85

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Solution

The fourth proportional to 4,012.62, 6,019.56 and 1,379.85 is: 2,069.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.62 : 6,019.56 = 1,379.85 : x
  2. Step 2: Convert to fraction form
    4,012.62/6,019.56 = 1,379.85/x
  3. Step 3: Cross multiply
    4,012.62x = 6,019.56 × 1,379.85
  4. Step 4: Simplify right side
    4,012.62x = 8,306,089.87
  5. Step 5: Solve for x
    x = 8,306,089.87/4,012.62
  6. Step 6: Final answer
    x = 2,069.99

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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.