Home / 4,728.20-7,082.81-2,853.01

Finding the Fourth Proportional to 4,728.20, 7,082.81 and 2,853.01

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Solution

The fourth proportional to 4,728.20, 7,082.81 and 2,853.01 is: 4,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.20 : 7,082.81 = 2,853.01 : x
  2. Step 2: Convert to fraction form
    4,728.20/7,082.81 = 2,853.01/x
  3. Step 3: Cross multiply
    4,728.20x = 7,082.81 × 2,853.01
  4. Step 4: Simplify right side
    4,728.20x = 20,207,333.05
  5. Step 5: Solve for x
    x = 20,207,333.05/4,728.20
  6. Step 6: Final answer
    x = 4,273.79

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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.