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Finding the Fourth Proportional to 6,715.08, 10,072.08 and 2,819.34

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Solution

The fourth proportional to 6,715.08, 10,072.08 and 2,819.34 is: 4,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.08 : 10,072.08 = 2,819.34 : x
  2. Step 2: Convert to fraction form
    6,715.08/10,072.08 = 2,819.34/x
  3. Step 3: Cross multiply
    6,715.08x = 10,072.08 × 2,819.34
  4. Step 4: Simplify right side
    6,715.08x = 28,396,618.03
  5. Step 5: Solve for x
    x = 28,396,618.03/6,715.08
  6. Step 6: Final answer
    x = 4,228.78

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1.5x scale

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.