Home / 4,012.11-6,019.29-1,379.96

Finding the Fourth Proportional to 4,012.11, 6,019.29 and 1,379.96

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Solution

The fourth proportional to 4,012.11, 6,019.29 and 1,379.96 is: 2,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.11 : 6,019.29 = 1,379.96 : x
  2. Step 2: Convert to fraction form
    4,012.11/6,019.29 = 1,379.96/x
  3. Step 3: Cross multiply
    4,012.11x = 6,019.29 × 1,379.96
  4. Step 4: Simplify right side
    4,012.11x = 8,306,349.33
  5. Step 5: Solve for x
    x = 8,306,349.33/4,012.11
  6. Step 6: Final answer
    x = 2,070.32

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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.