Home / 6,782.80-10,174.26-3,271.99

Finding the Fourth Proportional to 6,782.80, 10,174.26 and 3,271.99

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Solution

The fourth proportional to 6,782.80, 10,174.26 and 3,271.99 is: 4,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.80 : 10,174.26 = 3,271.99 : x
  2. Step 2: Convert to fraction form
    6,782.80/10,174.26 = 3,271.99/x
  3. Step 3: Cross multiply
    6,782.80x = 10,174.26 × 3,271.99
  4. Step 4: Simplify right side
    6,782.80x = 33,290,076.98
  5. Step 5: Solve for x
    x = 33,290,076.98/6,782.80
  6. Step 6: Final answer
    x = 4,908.01

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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.