Home / 4,791.39-7,187.46-1,328.64

Finding the Fourth Proportional to 4,791.39, 7,187.46 and 1,328.64

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Solution

The fourth proportional to 4,791.39, 7,187.46 and 1,328.64 is: 1,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.39 : 7,187.46 = 1,328.64 : x
  2. Step 2: Convert to fraction form
    4,791.39/7,187.46 = 1,328.64/x
  3. Step 3: Cross multiply
    4,791.39x = 7,187.46 × 1,328.64
  4. Step 4: Simplify right side
    4,791.39x = 9,549,546.85
  5. Step 5: Solve for x
    x = 9,549,546.85/4,791.39
  6. Step 6: Final answer
    x = 1,993.06

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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.