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Finding the Fourth Proportional to 6,626.70, 9,936.27 and 2,726.46

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Solution

The fourth proportional to 6,626.70, 9,936.27 and 2,726.46 is: 4,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.70 : 9,936.27 = 2,726.46 : x
  2. Step 2: Convert to fraction form
    6,626.70/9,936.27 = 2,726.46/x
  3. Step 3: Cross multiply
    6,626.70x = 9,936.27 × 2,726.46
  4. Step 4: Simplify right side
    6,626.70x = 27,090,842.70
  5. Step 5: Solve for x
    x = 27,090,842.70/6,626.70
  6. Step 6: Final answer
    x = 4,088.13

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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.