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Finding the Fourth Proportional to 7,286.97, 10,927.94 and 2,606.97

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Solution

The fourth proportional to 7,286.97, 10,927.94 and 2,606.97 is: 3,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.97 : 10,927.94 = 2,606.97 : x
  2. Step 2: Convert to fraction form
    7,286.97/10,927.94 = 2,606.97/x
  3. Step 3: Cross multiply
    7,286.97x = 10,927.94 × 2,606.97
  4. Step 4: Simplify right side
    7,286.97x = 28,488,798.71
  5. Step 5: Solve for x
    x = 28,488,798.71/7,286.97
  6. Step 6: Final answer
    x = 3,909.55

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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.