Home / 4,771.91-7,157.97-1,485.14

Finding the Fourth Proportional to 4,771.91, 7,157.97 and 1,485.14

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Solution

The fourth proportional to 4,771.91, 7,157.97 and 1,485.14 is: 2,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.91 : 7,157.97 = 1,485.14 : x
  2. Step 2: Convert to fraction form
    4,771.91/7,157.97 = 1,485.14/x
  3. Step 3: Cross multiply
    4,771.91x = 7,157.97 × 1,485.14
  4. Step 4: Simplify right side
    4,771.91x = 10,630,551.78
  5. Step 5: Solve for x
    x = 10,630,551.78/4,771.91
  6. Step 6: Final answer
    x = 2,227.73

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Similar ratio
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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.