Home / 6,739.70-10,112.69-2,578.34

Finding the Fourth Proportional to 6,739.70, 10,112.69 and 2,578.34

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Solution

The fourth proportional to 6,739.70, 10,112.69 and 2,578.34 is: 3,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.70 : 10,112.69 = 2,578.34 : x
  2. Step 2: Convert to fraction form
    6,739.70/10,112.69 = 2,578.34/x
  3. Step 3: Cross multiply
    6,739.70x = 10,112.69 × 2,578.34
  4. Step 4: Simplify right side
    6,739.70x = 26,073,913.48
  5. Step 5: Solve for x
    x = 26,073,913.48/6,739.70
  6. Step 6: Final answer
    x = 3,868.70

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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.