Home / 7,947.26-11,919.86-2,104.32

Finding the Fourth Proportional to 7,947.26, 11,919.86 and 2,104.32

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Solution

The fourth proportional to 7,947.26, 11,919.86 and 2,104.32 is: 3,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.26 : 11,919.86 = 2,104.32 : x
  2. Step 2: Convert to fraction form
    7,947.26/11,919.86 = 2,104.32/x
  3. Step 3: Cross multiply
    7,947.26x = 11,919.86 × 2,104.32
  4. Step 4: Simplify right side
    7,947.26x = 25,083,199.80
  5. Step 5: Solve for x
    x = 25,083,199.80/7,947.26
  6. Step 6: Final answer
    x = 3,156.21

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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.