Home / 4,945.75-7,415.80-2,603.27

Finding the Fourth Proportional to 4,945.75, 7,415.80 and 2,603.27

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Solution

The fourth proportional to 4,945.75, 7,415.80 and 2,603.27 is: 3,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.75 : 7,415.80 = 2,603.27 : x
  2. Step 2: Convert to fraction form
    4,945.75/7,415.80 = 2,603.27/x
  3. Step 3: Cross multiply
    4,945.75x = 7,415.80 × 2,603.27
  4. Step 4: Simplify right side
    4,945.75x = 19,305,329.67
  5. Step 5: Solve for x
    x = 19,305,329.67/4,945.75
  6. Step 6: Final answer
    x = 3,903.42

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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.