Home / 7,929.23-11,889.23-2,999.25

Finding the Fourth Proportional to 7,929.23, 11,889.23 and 2,999.25

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Solution

The fourth proportional to 7,929.23, 11,889.23 and 2,999.25 is: 4,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.23 : 11,889.23 = 2,999.25 : x
  2. Step 2: Convert to fraction form
    7,929.23/11,889.23 = 2,999.25/x
  3. Step 3: Cross multiply
    7,929.23x = 11,889.23 × 2,999.25
  4. Step 4: Simplify right side
    7,929.23x = 35,658,846.12
  5. Step 5: Solve for x
    x = 35,658,846.12/7,929.23
  6. Step 6: Final answer
    x = 4,497.14

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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.