Home / 6,939.81-9,576.87-3,795.99

Finding the Fourth Proportional to 6,939.81, 9,576.87 and 3,795.99

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Solution

The fourth proportional to 6,939.81, 9,576.87 and 3,795.99 is: 5,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.81 : 9,576.87 = 3,795.99 : x
  2. Step 2: Convert to fraction form
    6,939.81/9,576.87 = 3,795.99/x
  3. Step 3: Cross multiply
    6,939.81x = 9,576.87 × 3,795.99
  4. Step 4: Simplify right side
    6,939.81x = 36,353,702.75
  5. Step 5: Solve for x
    x = 36,353,702.75/6,939.81
  6. Step 6: Final answer
    x = 5,238.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.