Home / 5,243.73-7,235.76-3,005.00

Finding the Fourth Proportional to 5,243.73, 7,235.76 and 3,005.00

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Solution

The fourth proportional to 5,243.73, 7,235.76 and 3,005.00 is: 4,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.73 : 7,235.76 = 3,005.00 : x
  2. Step 2: Convert to fraction form
    5,243.73/7,235.76 = 3,005.00/x
  3. Step 3: Cross multiply
    5,243.73x = 7,235.76 × 3,005.00
  4. Step 4: Simplify right side
    5,243.73x = 21,743,422.62
  5. Step 5: Solve for x
    x = 21,743,422.62/5,243.73
  6. Step 6: Final answer
    x = 4,146.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.