Home / 7,469.70-11,211.46-3,774.52

Finding the Fourth Proportional to 7,469.70, 11,211.46 and 3,774.52

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Solution

The fourth proportional to 7,469.70, 11,211.46 and 3,774.52 is: 5,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.70 : 11,211.46 = 3,774.52 : x
  2. Step 2: Convert to fraction form
    7,469.70/11,211.46 = 3,774.52/x
  3. Step 3: Cross multiply
    7,469.70x = 11,211.46 × 3,774.52
  4. Step 4: Simplify right side
    7,469.70x = 42,317,880.00
  5. Step 5: Solve for x
    x = 42,317,880.00/7,469.70
  6. Step 6: Final answer
    x = 5,665.27

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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.