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Finding the Fourth Proportional to 6,747.01, 10,119.61 and 1,816.95

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Solution

The fourth proportional to 6,747.01, 10,119.61 and 1,816.95 is: 2,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.01 : 10,119.61 = 1,816.95 : x
  2. Step 2: Convert to fraction form
    6,747.01/10,119.61 = 1,816.95/x
  3. Step 3: Cross multiply
    6,747.01x = 10,119.61 × 1,816.95
  4. Step 4: Simplify right side
    6,747.01x = 18,386,825.39
  5. Step 5: Solve for x
    x = 18,386,825.39/6,747.01
  6. Step 6: Final answer
    x = 2,725.18

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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.