Home / 4,728.84-7,096.32-2,131.62

Finding the Fourth Proportional to 4,728.84, 7,096.32 and 2,131.62

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Solution

The fourth proportional to 4,728.84, 7,096.32 and 2,131.62 is: 3,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.84 : 7,096.32 = 2,131.62 : x
  2. Step 2: Convert to fraction form
    4,728.84/7,096.32 = 2,131.62/x
  3. Step 3: Cross multiply
    4,728.84x = 7,096.32 × 2,131.62
  4. Step 4: Simplify right side
    4,728.84x = 15,126,657.64
  5. Step 5: Solve for x
    x = 15,126,657.64/4,728.84
  6. Step 6: Final answer
    x = 3,198.81

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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.