Home / 8,802.81-13,198.98-3,540.31

Finding the Fourth Proportional to 8,802.81, 13,198.98 and 3,540.31

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Solution

The fourth proportional to 8,802.81, 13,198.98 and 3,540.31 is: 5,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.81 : 13,198.98 = 3,540.31 : x
  2. Step 2: Convert to fraction form
    8,802.81/13,198.98 = 3,540.31/x
  3. Step 3: Cross multiply
    8,802.81x = 13,198.98 × 3,540.31
  4. Step 4: Simplify right side
    8,802.81x = 46,728,480.88
  5. Step 5: Solve for x
    x = 46,728,480.88/8,802.81
  6. Step 6: Final answer
    x = 5,308.36

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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.