Home / 7,003.25-9,664.49-3,859.51

Finding the Fourth Proportional to 7,003.25, 9,664.49 and 3,859.51

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Solution

The fourth proportional to 7,003.25, 9,664.49 and 3,859.51 is: 5,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.25 : 9,664.49 = 3,859.51 : x
  2. Step 2: Convert to fraction form
    7,003.25/9,664.49 = 3,859.51/x
  3. Step 3: Cross multiply
    7,003.25x = 9,664.49 × 3,859.51
  4. Step 4: Simplify right side
    7,003.25x = 37,300,195.80
  5. Step 5: Solve for x
    x = 37,300,195.80/7,003.25
  6. Step 6: Final answer
    x = 5,326.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.