Home / 6,949.10-10,423.66-3,485.54

Finding the Fourth Proportional to 6,949.10, 10,423.66 and 3,485.54

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Solution

The fourth proportional to 6,949.10, 10,423.66 and 3,485.54 is: 5,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.10 : 10,423.66 = 3,485.54 : x
  2. Step 2: Convert to fraction form
    6,949.10/10,423.66 = 3,485.54/x
  3. Step 3: Cross multiply
    6,949.10x = 10,423.66 × 3,485.54
  4. Step 4: Simplify right side
    6,949.10x = 36,332,083.88
  5. Step 5: Solve for x
    x = 36,332,083.88/6,949.10
  6. Step 6: Final answer
    x = 5,228.32

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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.