Home / 7,963.44-11,945.28-3,030.72

Finding the Fourth Proportional to 7,963.44, 11,945.28 and 3,030.72

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Solution

The fourth proportional to 7,963.44, 11,945.28 and 3,030.72 is: 4,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.44 : 11,945.28 = 3,030.72 : x
  2. Step 2: Convert to fraction form
    7,963.44/11,945.28 = 3,030.72/x
  3. Step 3: Cross multiply
    7,963.44x = 11,945.28 × 3,030.72
  4. Step 4: Simplify right side
    7,963.44x = 36,202,799.00
  5. Step 5: Solve for x
    x = 36,202,799.00/7,963.44
  6. Step 6: Final answer
    x = 4,546.13

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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.