Home / 7,963.89-11,947.52-2,698.64

Finding the Fourth Proportional to 7,963.89, 11,947.52 and 2,698.64

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Solution

The fourth proportional to 7,963.89, 11,947.52 and 2,698.64 is: 4,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.89 : 11,947.52 = 2,698.64 : x
  2. Step 2: Convert to fraction form
    7,963.89/11,947.52 = 2,698.64/x
  3. Step 3: Cross multiply
    7,963.89x = 11,947.52 × 2,698.64
  4. Step 4: Simplify right side
    7,963.89x = 32,241,982.14
  5. Step 5: Solve for x
    x = 32,241,982.14/7,963.89
  6. Step 6: Final answer
    x = 4,048.52

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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.