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Finding the Fourth Proportional to 6,138.69, 9,205.89 and 1,754.97

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Solution

The fourth proportional to 6,138.69, 9,205.89 and 1,754.97 is: 2,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.69 : 9,205.89 = 1,754.97 : x
  2. Step 2: Convert to fraction form
    6,138.69/9,205.89 = 1,754.97/x
  3. Step 3: Cross multiply
    6,138.69x = 9,205.89 × 1,754.97
  4. Step 4: Simplify right side
    6,138.69x = 16,156,060.77
  5. Step 5: Solve for x
    x = 16,156,060.77/6,138.69
  6. Step 6: Final answer
    x = 2,631.84

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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.