Home / 6,997.32-10,500-2,836.56

Finding the Fourth Proportional to 6,997.32, 10,500 and 2,836.56

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Solution

The fourth proportional to 6,997.32, 10,500 and 2,836.56 is: 4,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.32 : 10,500 = 2,836.56 : x
  2. Step 2: Convert to fraction form
    6,997.32/10,500 = 2,836.56/x
  3. Step 3: Cross multiply
    6,997.32x = 10,500 × 2,836.56
  4. Step 4: Simplify right side
    6,997.32x = 29,783,880
  5. Step 5: Solve for x
    x = 29,783,880/6,997.32
  6. Step 6: Final answer
    x = 4,256.47

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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.