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Finding the Fourth Proportional to 6,694.71, 9,238.78 and 3,710.61

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Solution

The fourth proportional to 6,694.71, 9,238.78 and 3,710.61 is: 5,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694.71 : 9,238.78 = 3,710.61 : x
  2. Step 2: Convert to fraction form
    6,694.71/9,238.78 = 3,710.61/x
  3. Step 3: Cross multiply
    6,694.71x = 9,238.78 × 3,710.61
  4. Step 4: Simplify right side
    6,694.71x = 34,281,509.46
  5. Step 5: Solve for x
    x = 34,281,509.46/6,694.71
  6. Step 6: Final answer
    x = 5,120.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.