Home / 6,520.80-9,786.06-2,625.24

Finding the Fourth Proportional to 6,520.80, 9,786.06 and 2,625.24

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Solution

The fourth proportional to 6,520.80, 9,786.06 and 2,625.24 is: 3,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.80 : 9,786.06 = 2,625.24 : x
  2. Step 2: Convert to fraction form
    6,520.80/9,786.06 = 2,625.24/x
  3. Step 3: Cross multiply
    6,520.80x = 9,786.06 × 2,625.24
  4. Step 4: Simplify right side
    6,520.80x = 25,690,756.15
  5. Step 5: Solve for x
    x = 25,690,756.15/6,520.80
  6. Step 6: Final answer
    x = 3,939.82

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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.