Home / 6,419.80-9,629.97-2,036.85

Finding the Fourth Proportional to 6,419.80, 9,629.97 and 2,036.85

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Solution

The fourth proportional to 6,419.80, 9,629.97 and 2,036.85 is: 3,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.80 : 9,629.97 = 2,036.85 : x
  2. Step 2: Convert to fraction form
    6,419.80/9,629.97 = 2,036.85/x
  3. Step 3: Cross multiply
    6,419.80x = 9,629.97 × 2,036.85
  4. Step 4: Simplify right side
    6,419.80x = 19,614,804.39
  5. Step 5: Solve for x
    x = 19,614,804.39/6,419.80
  6. Step 6: Final answer
    x = 3,055.36

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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.