Home / 7,168.86-10,753.96-2,786.65

Finding the Fourth Proportional to 7,168.86, 10,753.96 and 2,786.65

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Solution

The fourth proportional to 7,168.86, 10,753.96 and 2,786.65 is: 4,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.86 : 10,753.96 = 2,786.65 : x
  2. Step 2: Convert to fraction form
    7,168.86/10,753.96 = 2,786.65/x
  3. Step 3: Cross multiply
    7,168.86x = 10,753.96 × 2,786.65
  4. Step 4: Simplify right side
    7,168.86x = 29,967,515.67
  5. Step 5: Solve for x
    x = 29,967,515.67/7,168.86
  6. Step 6: Final answer
    x = 4,180.23

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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.