Home / 6,739.13-10,112.88-2,579.48

Finding the Fourth Proportional to 6,739.13, 10,112.88 and 2,579.48

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Solution

The fourth proportional to 6,739.13, 10,112.88 and 2,579.48 is: 3,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.13 : 10,112.88 = 2,579.48 : x
  2. Step 2: Convert to fraction form
    6,739.13/10,112.88 = 2,579.48/x
  3. Step 3: Cross multiply
    6,739.13x = 10,112.88 × 2,579.48
  4. Step 4: Simplify right side
    6,739.13x = 26,085,921.14
  5. Step 5: Solve for x
    x = 26,085,921.14/6,739.13
  6. Step 6: Final answer
    x = 3,870.82

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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.