Home / 6,760.86-10,145.11-3,640.80

Finding the Fourth Proportional to 6,760.86, 10,145.11 and 3,640.80

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Solution

The fourth proportional to 6,760.86, 10,145.11 and 3,640.80 is: 5,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.86 : 10,145.11 = 3,640.80 : x
  2. Step 2: Convert to fraction form
    6,760.86/10,145.11 = 3,640.80/x
  3. Step 3: Cross multiply
    6,760.86x = 10,145.11 × 3,640.80
  4. Step 4: Simplify right side
    6,760.86x = 36,936,346.40
  5. Step 5: Solve for x
    x = 36,936,346.40/6,760.86
  6. Step 6: Final answer
    x = 5,463.26

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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.