Home / 6,745.26-10,119.50-2,128.26

Finding the Fourth Proportional to 6,745.26, 10,119.50 and 2,128.26

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Solution

The fourth proportional to 6,745.26, 10,119.50 and 2,128.26 is: 3,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.26 : 10,119.50 = 2,128.26 : x
  2. Step 2: Convert to fraction form
    6,745.26/10,119.50 = 2,128.26/x
  3. Step 3: Cross multiply
    6,745.26x = 10,119.50 × 2,128.26
  4. Step 4: Simplify right side
    6,745.26x = 21,536,927.07
  5. Step 5: Solve for x
    x = 21,536,927.07/6,745.26
  6. Step 6: Final answer
    x = 3,192.90

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1.5x scale

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.