Home / 6,939.89-9,576.16-4,252.31

Finding the Fourth Proportional to 6,939.89, 9,576.16 and 4,252.31

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Solution

The fourth proportional to 6,939.89, 9,576.16 and 4,252.31 is: 5,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.89 : 9,576.16 = 4,252.31 : x
  2. Step 2: Convert to fraction form
    6,939.89/9,576.16 = 4,252.31/x
  3. Step 3: Cross multiply
    6,939.89x = 9,576.16 × 4,252.31
  4. Step 4: Simplify right side
    6,939.89x = 40,720,778.33
  5. Step 5: Solve for x
    x = 40,720,778.33/6,939.89
  6. Step 6: Final answer
    x = 5,867.64

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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.