Home / 7,321.46-10,975.41-2,388.56

Finding the Fourth Proportional to 7,321.46, 10,975.41 and 2,388.56

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Solution

The fourth proportional to 7,321.46, 10,975.41 and 2,388.56 is: 3,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.46 : 10,975.41 = 2,388.56 : x
  2. Step 2: Convert to fraction form
    7,321.46/10,975.41 = 2,388.56/x
  3. Step 3: Cross multiply
    7,321.46x = 10,975.41 × 2,388.56
  4. Step 4: Simplify right side
    7,321.46x = 26,215,370.43
  5. Step 5: Solve for x
    x = 26,215,370.43/7,321.46
  6. Step 6: Final answer
    x = 3,580.62

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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.