Home / 6,969.80-10,455.42-2,039.54

Finding the Fourth Proportional to 6,969.80, 10,455.42 and 2,039.54

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Solution

The fourth proportional to 6,969.80, 10,455.42 and 2,039.54 is: 3,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.80 : 10,455.42 = 2,039.54 : x
  2. Step 2: Convert to fraction form
    6,969.80/10,455.42 = 2,039.54/x
  3. Step 3: Cross multiply
    6,969.80x = 10,455.42 × 2,039.54
  4. Step 4: Simplify right side
    6,969.80x = 21,324,247.31
  5. Step 5: Solve for x
    x = 21,324,247.31/6,969.80
  6. Step 6: Final answer
    x = 3,059.52

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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.