Home / 6,939.10-10,409.19-2,008.81

Finding the Fourth Proportional to 6,939.10, 10,409.19 and 2,008.81

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Solution

The fourth proportional to 6,939.10, 10,409.19 and 2,008.81 is: 3,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.10 : 10,409.19 = 2,008.81 : x
  2. Step 2: Convert to fraction form
    6,939.10/10,409.19 = 2,008.81/x
  3. Step 3: Cross multiply
    6,939.10x = 10,409.19 × 2,008.81
  4. Step 4: Simplify right side
    6,939.10x = 20,910,084.96
  5. Step 5: Solve for x
    x = 20,910,084.96/6,939.10
  6. Step 6: Final answer
    x = 3,013.37

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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.