Home / 6,861.14-10,289.39-2,700.05

Finding the Fourth Proportional to 6,861.14, 10,289.39 and 2,700.05

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Solution

The fourth proportional to 6,861.14, 10,289.39 and 2,700.05 is: 4,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.14 : 10,289.39 = 2,700.05 : x
  2. Step 2: Convert to fraction form
    6,861.14/10,289.39 = 2,700.05/x
  3. Step 3: Cross multiply
    6,861.14x = 10,289.39 × 2,700.05
  4. Step 4: Simplify right side
    6,861.14x = 27,781,867.47
  5. Step 5: Solve for x
    x = 27,781,867.47/6,861.14
  6. Step 6: Final answer
    x = 4,049.16

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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.