Home / 4,791.24-7,185.60-1,327.68

Finding the Fourth Proportional to 4,791.24, 7,185.60 and 1,327.68

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Solution

The fourth proportional to 4,791.24, 7,185.60 and 1,327.68 is: 1,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.24 : 7,185.60 = 1,327.68 : x
  2. Step 2: Convert to fraction form
    4,791.24/7,185.60 = 1,327.68/x
  3. Step 3: Cross multiply
    4,791.24x = 7,185.60 × 1,327.68
  4. Step 4: Simplify right side
    4,791.24x = 9,540,177.41
  5. Step 5: Solve for x
    x = 9,540,177.41/4,791.24
  6. Step 6: Final answer
    x = 1,991.17

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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.