Home / 5,126.10-7,682.99-2,163.39

Finding the Fourth Proportional to 5,126.10, 7,682.99 and 2,163.39

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Solution

The fourth proportional to 5,126.10, 7,682.99 and 2,163.39 is: 3,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.10 : 7,682.99 = 2,163.39 : x
  2. Step 2: Convert to fraction form
    5,126.10/7,682.99 = 2,163.39/x
  3. Step 3: Cross multiply
    5,126.10x = 7,682.99 × 2,163.39
  4. Step 4: Simplify right side
    5,126.10x = 16,621,292.92
  5. Step 5: Solve for x
    x = 16,621,292.92/5,126.10
  6. Step 6: Final answer
    x = 3,242.48

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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.