Home / 6,513.26-9,767.45-2,129.54

Finding the Fourth Proportional to 6,513.26, 9,767.45 and 2,129.54

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Solution

The fourth proportional to 6,513.26, 9,767.45 and 2,129.54 is: 3,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.26 : 9,767.45 = 2,129.54 : x
  2. Step 2: Convert to fraction form
    6,513.26/9,767.45 = 2,129.54/x
  3. Step 3: Cross multiply
    6,513.26x = 9,767.45 × 2,129.54
  4. Step 4: Simplify right side
    6,513.26x = 20,800,115.99
  5. Step 5: Solve for x
    x = 20,800,115.99/6,513.26
  6. Step 6: Final answer
    x = 3,193.51

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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.