Home / 7,584.75-11,379.05-2,112.75

Finding the Fourth Proportional to 7,584.75, 11,379.05 and 2,112.75

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Solution

The fourth proportional to 7,584.75, 11,379.05 and 2,112.75 is: 3,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.75 : 11,379.05 = 2,112.75 : x
  2. Step 2: Convert to fraction form
    7,584.75/11,379.05 = 2,112.75/x
  3. Step 3: Cross multiply
    7,584.75x = 11,379.05 × 2,112.75
  4. Step 4: Simplify right side
    7,584.75x = 24,041,077.32
  5. Step 5: Solve for x
    x = 24,041,077.32/7,584.75
  6. Step 6: Final answer
    x = 3,169.66

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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.