Home / 10,619.56-15,929.26-2,722.06

Finding the Fourth Proportional to 10,619.56, 15,929.26 and 2,722.06

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Solution

The fourth proportional to 10,619.56, 15,929.26 and 2,722.06 is: 4,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.56 : 15,929.26 = 2,722.06 : x
  2. Step 2: Convert to fraction form
    10,619.56/15,929.26 = 2,722.06/x
  3. Step 3: Cross multiply
    10,619.56x = 15,929.26 × 2,722.06
  4. Step 4: Simplify right side
    10,619.56x = 43,360,324.98
  5. Step 5: Solve for x
    x = 43,360,324.98/10,619.56
  6. Step 6: Final answer
    x = 4,083.06

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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.