Home / 6,939.32-10,410.06-3,190.28

Finding the Fourth Proportional to 6,939.32, 10,410.06 and 3,190.28

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Solution

The fourth proportional to 6,939.32, 10,410.06 and 3,190.28 is: 4,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.32 : 10,410.06 = 3,190.28 : x
  2. Step 2: Convert to fraction form
    6,939.32/10,410.06 = 3,190.28/x
  3. Step 3: Cross multiply
    6,939.32x = 10,410.06 × 3,190.28
  4. Step 4: Simplify right side
    6,939.32x = 33,211,006.22
  5. Step 5: Solve for x
    x = 33,211,006.22/6,939.32
  6. Step 6: Final answer
    x = 4,785.92

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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.