Home / 4,771.22-7,157.60-1,485.08

Finding the Fourth Proportional to 4,771.22, 7,157.60 and 1,485.08

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Solution

The fourth proportional to 4,771.22, 7,157.60 and 1,485.08 is: 2,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.22 : 7,157.60 = 1,485.08 : x
  2. Step 2: Convert to fraction form
    4,771.22/7,157.60 = 1,485.08/x
  3. Step 3: Cross multiply
    4,771.22x = 7,157.60 × 1,485.08
  4. Step 4: Simplify right side
    4,771.22x = 10,629,565.39
  5. Step 5: Solve for x
    x = 10,629,565.39/4,771.22
  6. Step 6: Final answer
    x = 2,227.85

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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.