Home / 4,243.51-6,365.96-1,778.51

Finding the Fourth Proportional to 4,243.51, 6,365.96 and 1,778.51

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Solution

The fourth proportional to 4,243.51, 6,365.96 and 1,778.51 is: 2,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.51 : 6,365.96 = 1,778.51 : x
  2. Step 2: Convert to fraction form
    4,243.51/6,365.96 = 1,778.51/x
  3. Step 3: Cross multiply
    4,243.51x = 6,365.96 × 1,778.51
  4. Step 4: Simplify right side
    4,243.51x = 11,321,943.88
  5. Step 5: Solve for x
    x = 11,321,943.88/4,243.51
  6. Step 6: Final answer
    x = 2,668.06

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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.