Home / 7,153.32-10,728.67-2,992.22

Finding the Fourth Proportional to 7,153.32, 10,728.67 and 2,992.22

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Solution

The fourth proportional to 7,153.32, 10,728.67 and 2,992.22 is: 4,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.32 : 10,728.67 = 2,992.22 : x
  2. Step 2: Convert to fraction form
    7,153.32/10,728.67 = 2,992.22/x
  3. Step 3: Cross multiply
    7,153.32x = 10,728.67 × 2,992.22
  4. Step 4: Simplify right side
    7,153.32x = 32,102,540.95
  5. Step 5: Solve for x
    x = 32,102,540.95/7,153.32
  6. Step 6: Final answer
    x = 4,487.78

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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.