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Finding the Fourth Proportional to 6,000.69, 9,005.09 and 2,105.13

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Solution

The fourth proportional to 6,000.69, 9,005.09 and 2,105.13 is: 3,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,000.69 : 9,005.09 = 2,105.13 : x
  2. Step 2: Convert to fraction form
    6,000.69/9,005.09 = 2,105.13/x
  3. Step 3: Cross multiply
    6,000.69x = 9,005.09 × 2,105.13
  4. Step 4: Simplify right side
    6,000.69x = 18,956,874.59
  5. Step 5: Solve for x
    x = 18,956,874.59/6,000.69
  6. Step 6: Final answer
    x = 3,159.12

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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.