Home / 4,928.82-7,393.19-1,231.02

Finding the Fourth Proportional to 4,928.82, 7,393.19 and 1,231.02

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Solution

The fourth proportional to 4,928.82, 7,393.19 and 1,231.02 is: 1,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.82 : 7,393.19 = 1,231.02 : x
  2. Step 2: Convert to fraction form
    4,928.82/7,393.19 = 1,231.02/x
  3. Step 3: Cross multiply
    4,928.82x = 7,393.19 × 1,231.02
  4. Step 4: Simplify right side
    4,928.82x = 9,101,158.60
  5. Step 5: Solve for x
    x = 9,101,158.60/4,928.82
  6. Step 6: Final answer
    x = 1,846.52

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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.