Home / 4,945.73-7,418.56-1,247.96

Finding the Fourth Proportional to 4,945.73, 7,418.56 and 1,247.96

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Solution

The fourth proportional to 4,945.73, 7,418.56 and 1,247.96 is: 1,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.73 : 7,418.56 = 1,247.96 : x
  2. Step 2: Convert to fraction form
    4,945.73/7,418.56 = 1,247.96/x
  3. Step 3: Cross multiply
    4,945.73x = 7,418.56 × 1,247.96
  4. Step 4: Simplify right side
    4,945.73x = 9,258,045.68
  5. Step 5: Solve for x
    x = 9,258,045.68/4,945.73
  6. Step 6: Final answer
    x = 1,871.93

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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.