Home / 6,947.72-10,422.72-2,266.36

Finding the Fourth Proportional to 6,947.72, 10,422.72 and 2,266.36

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Solution

The fourth proportional to 6,947.72, 10,422.72 and 2,266.36 is: 3,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.72 : 10,422.72 = 2,266.36 : x
  2. Step 2: Convert to fraction form
    6,947.72/10,422.72 = 2,266.36/x
  3. Step 3: Cross multiply
    6,947.72x = 10,422.72 × 2,266.36
  4. Step 4: Simplify right side
    6,947.72x = 23,621,635.70
  5. Step 5: Solve for x
    x = 23,621,635.70/6,947.72
  6. Step 6: Final answer
    x = 3,399.91

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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.