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Finding the Fourth Proportional to 6,871.39, 10,300.16 and 2,709.79

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Solution

The fourth proportional to 6,871.39, 10,300.16 and 2,709.79 is: 4,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.39 : 10,300.16 = 2,709.79 : x
  2. Step 2: Convert to fraction form
    6,871.39/10,300.16 = 2,709.79/x
  3. Step 3: Cross multiply
    6,871.39x = 10,300.16 × 2,709.79
  4. Step 4: Simplify right side
    6,871.39x = 27,911,251.59
  5. Step 5: Solve for x
    x = 27,911,251.59/6,871.39
  6. Step 6: Final answer
    x = 4,061.95

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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.