Home / 6,939.64-9,576.18-3,795.72

Finding the Fourth Proportional to 6,939.64, 9,576.18 and 3,795.72

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Solution

The fourth proportional to 6,939.64, 9,576.18 and 3,795.72 is: 5,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.64 : 9,576.18 = 3,795.72 : x
  2. Step 2: Convert to fraction form
    6,939.64/9,576.18 = 3,795.72/x
  3. Step 3: Cross multiply
    6,939.64x = 9,576.18 × 3,795.72
  4. Step 4: Simplify right side
    6,939.64x = 36,348,497.95
  5. Step 5: Solve for x
    x = 36,348,497.95/6,939.64
  6. Step 6: Final answer
    x = 5,237.81

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1.5x scale

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.