Home / 6,520.82-9,782.24-2,137.25

Finding the Fourth Proportional to 6,520.82, 9,782.24 and 2,137.25

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Solution

The fourth proportional to 6,520.82, 9,782.24 and 2,137.25 is: 3,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.82 : 9,782.24 = 2,137.25 : x
  2. Step 2: Convert to fraction form
    6,520.82/9,782.24 = 2,137.25/x
  3. Step 3: Cross multiply
    6,520.82x = 9,782.24 × 2,137.25
  4. Step 4: Simplify right side
    6,520.82x = 20,907,032.84
  5. Step 5: Solve for x
    x = 20,907,032.84/6,520.82
  6. Step 6: Final answer
    x = 3,206.20

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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.