Home / 6,878.22-10,317.78-1,947.44

Finding the Fourth Proportional to 6,878.22, 10,317.78 and 1,947.44

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Solution

The fourth proportional to 6,878.22, 10,317.78 and 1,947.44 is: 2,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.22 : 10,317.78 = 1,947.44 : x
  2. Step 2: Convert to fraction form
    6,878.22/10,317.78 = 1,947.44/x
  3. Step 3: Cross multiply
    6,878.22x = 10,317.78 × 1,947.44
  4. Step 4: Simplify right side
    6,878.22x = 20,093,283.28
  5. Step 5: Solve for x
    x = 20,093,283.28/6,878.22
  6. Step 6: Final answer
    x = 2,921.29

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1.5x scale

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.