Home / 6,665.73-9,198.45-3,681.51

Finding the Fourth Proportional to 6,665.73, 9,198.45 and 3,681.51

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Solution

The fourth proportional to 6,665.73, 9,198.45 and 3,681.51 is: 5,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.73 : 9,198.45 = 3,681.51 : x
  2. Step 2: Convert to fraction form
    6,665.73/9,198.45 = 3,681.51/x
  3. Step 3: Cross multiply
    6,665.73x = 9,198.45 × 3,681.51
  4. Step 4: Simplify right side
    6,665.73x = 33,864,185.66
  5. Step 5: Solve for x
    x = 33,864,185.66/6,665.73
  6. Step 6: Final answer
    x = 5,080.34

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1.5x scale

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.