Home / 6,907.19-10,353.62-3,939.30

Finding the Fourth Proportional to 6,907.19, 10,353.62 and 3,939.30

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Solution

The fourth proportional to 6,907.19, 10,353.62 and 3,939.30 is: 5,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.19 : 10,353.62 = 3,939.30 : x
  2. Step 2: Convert to fraction form
    6,907.19/10,353.62 = 3,939.30/x
  3. Step 3: Cross multiply
    6,907.19x = 10,353.62 × 3,939.30
  4. Step 4: Simplify right side
    6,907.19x = 40,785,995.57
  5. Step 5: Solve for x
    x = 40,785,995.57/6,907.19
  6. Step 6: Final answer
    x = 5,904.87

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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.