Home / 6,686.38-10,030.79-2,243.60

Finding the Fourth Proportional to 6,686.38, 10,030.79 and 2,243.60

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Solution

The fourth proportional to 6,686.38, 10,030.79 and 2,243.60 is: 3,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.38 : 10,030.79 = 2,243.60 : x
  2. Step 2: Convert to fraction form
    6,686.38/10,030.79 = 2,243.60/x
  3. Step 3: Cross multiply
    6,686.38x = 10,030.79 × 2,243.60
  4. Step 4: Simplify right side
    6,686.38x = 22,505,080.44
  5. Step 5: Solve for x
    x = 22,505,080.44/6,686.38
  6. Step 6: Final answer
    x = 3,365.81

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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.