Home / 6,889.56-10,334.82-1,959.60

Finding the Fourth Proportional to 6,889.56, 10,334.82 and 1,959.60

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Solution

The fourth proportional to 6,889.56, 10,334.82 and 1,959.60 is: 2,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.56 : 10,334.82 = 1,959.60 : x
  2. Step 2: Convert to fraction form
    6,889.56/10,334.82 = 1,959.60/x
  3. Step 3: Cross multiply
    6,889.56x = 10,334.82 × 1,959.60
  4. Step 4: Simplify right side
    6,889.56x = 20,252,113.27
  5. Step 5: Solve for x
    x = 20,252,113.27/6,889.56
  6. Step 6: Final answer
    x = 2,939.54

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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.