Home / 6,723.51-9,278.31-3,739.28

Finding the Fourth Proportional to 6,723.51, 9,278.31 and 3,739.28

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Solution

The fourth proportional to 6,723.51, 9,278.31 and 3,739.28 is: 5,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.51 : 9,278.31 = 3,739.28 : x
  2. Step 2: Convert to fraction form
    6,723.51/9,278.31 = 3,739.28/x
  3. Step 3: Cross multiply
    6,723.51x = 9,278.31 × 3,739.28
  4. Step 4: Simplify right side
    6,723.51x = 34,694,133.93
  5. Step 5: Solve for x
    x = 34,694,133.93/6,723.51
  6. Step 6: Final answer
    x = 5,160.13

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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.