Home / 7,481.50-11,226.53-3,784.03

Finding the Fourth Proportional to 7,481.50, 11,226.53 and 3,784.03

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Solution

The fourth proportional to 7,481.50, 11,226.53 and 3,784.03 is: 5,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.50 : 11,226.53 = 3,784.03 : x
  2. Step 2: Convert to fraction form
    7,481.50/11,226.53 = 3,784.03/x
  3. Step 3: Cross multiply
    7,481.50x = 11,226.53 × 3,784.03
  4. Step 4: Simplify right side
    7,481.50x = 42,481,507.71
  5. Step 5: Solve for x
    x = 42,481,507.71/7,481.50
  6. Step 6: Final answer
    x = 5,678.21

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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.