Home / 7,084.31-10,617.21-2,919.56

Finding the Fourth Proportional to 7,084.31, 10,617.21 and 2,919.56

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Solution

The fourth proportional to 7,084.31, 10,617.21 and 2,919.56 is: 4,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.31 : 10,617.21 = 2,919.56 : x
  2. Step 2: Convert to fraction form
    7,084.31/10,617.21 = 2,919.56/x
  3. Step 3: Cross multiply
    7,084.31x = 10,617.21 × 2,919.56
  4. Step 4: Simplify right side
    7,084.31x = 30,997,528.54
  5. Step 5: Solve for x
    x = 30,997,528.54/7,084.31
  6. Step 6: Final answer
    x = 4,375.52

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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.