Home / 7,299.72-10,947.42-2,619.36

Finding the Fourth Proportional to 7,299.72, 10,947.42 and 2,619.36

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Solution

The fourth proportional to 7,299.72, 10,947.42 and 2,619.36 is: 3,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.72 : 10,947.42 = 2,619.36 : x
  2. Step 2: Convert to fraction form
    7,299.72/10,947.42 = 2,619.36/x
  3. Step 3: Cross multiply
    7,299.72x = 10,947.42 × 2,619.36
  4. Step 4: Simplify right side
    7,299.72x = 28,675,234.05
  5. Step 5: Solve for x
    x = 28,675,234.05/7,299.72
  6. Step 6: Final answer
    x = 3,928.26

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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.