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Finding the Fourth Proportional to 6,886.62, 10,326.49 and 4,819.91

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Solution

The fourth proportional to 6,886.62, 10,326.49 and 4,819.91 is: 7,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.62 : 10,326.49 = 4,819.91 : x
  2. Step 2: Convert to fraction form
    6,886.62/10,326.49 = 4,819.91/x
  3. Step 3: Cross multiply
    6,886.62x = 10,326.49 × 4,819.91
  4. Step 4: Simplify right side
    6,886.62x = 49,772,688.73
  5. Step 5: Solve for x
    x = 49,772,688.73/6,886.62
  6. Step 6: Final answer
    x = 7,227.45

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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.