Home / 8,805.23-13,208.32-2,231.47

Finding the Fourth Proportional to 8,805.23, 13,208.32 and 2,231.47

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Solution

The fourth proportional to 8,805.23, 13,208.32 and 2,231.47 is: 3,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.23 : 13,208.32 = 2,231.47 : x
  2. Step 2: Convert to fraction form
    8,805.23/13,208.32 = 2,231.47/x
  3. Step 3: Cross multiply
    8,805.23x = 13,208.32 × 2,231.47
  4. Step 4: Simplify right side
    8,805.23x = 29,473,969.83
  5. Step 5: Solve for x
    x = 29,473,969.83/8,805.23
  6. Step 6: Final answer
    x = 3,347.33

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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.