Home / 7,405.85-11,104.87-2,724.65

Finding the Fourth Proportional to 7,405.85, 11,104.87 and 2,724.65

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Solution

The fourth proportional to 7,405.85, 11,104.87 and 2,724.65 is: 4,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.85 : 11,104.87 = 2,724.65 : x
  2. Step 2: Convert to fraction form
    7,405.85/11,104.87 = 2,724.65/x
  3. Step 3: Cross multiply
    7,405.85x = 11,104.87 × 2,724.65
  4. Step 4: Simplify right side
    7,405.85x = 30,256,884.05
  5. Step 5: Solve for x
    x = 30,256,884.05/7,405.85
  6. Step 6: Final answer
    x = 4,085.54

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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.