Home / 6,949.32-10,420.72-4,028.48

Finding the Fourth Proportional to 6,949.32, 10,420.72 and 4,028.48

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Solution

The fourth proportional to 6,949.32, 10,420.72 and 4,028.48 is: 6,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.32 : 10,420.72 = 4,028.48 : x
  2. Step 2: Convert to fraction form
    6,949.32/10,420.72 = 4,028.48/x
  3. Step 3: Cross multiply
    6,949.32x = 10,420.72 × 4,028.48
  4. Step 4: Simplify right side
    6,949.32x = 41,979,662.11
  5. Step 5: Solve for x
    x = 41,979,662.11/6,949.32
  6. Step 6: Final answer
    x = 6,040.83

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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.