Home / 7,721.06-11,584.36-3,038.48

Finding the Fourth Proportional to 7,721.06, 11,584.36 and 3,038.48

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Solution

The fourth proportional to 7,721.06, 11,584.36 and 3,038.48 is: 4,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.06 : 11,584.36 = 3,038.48 : x
  2. Step 2: Convert to fraction form
    7,721.06/11,584.36 = 3,038.48/x
  3. Step 3: Cross multiply
    7,721.06x = 11,584.36 × 3,038.48
  4. Step 4: Simplify right side
    7,721.06x = 35,198,780.65
  5. Step 5: Solve for x
    x = 35,198,780.65/7,721.06
  6. Step 6: Final answer
    x = 4,558.80

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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.