Home / 6,889.50-10,334.22-1,959.18

Finding the Fourth Proportional to 6,889.50, 10,334.22 and 1,959.18

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Solution

The fourth proportional to 6,889.50, 10,334.22 and 1,959.18 is: 2,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.50 : 10,334.22 = 1,959.18 : x
  2. Step 2: Convert to fraction form
    6,889.50/10,334.22 = 1,959.18/x
  3. Step 3: Cross multiply
    6,889.50x = 10,334.22 × 1,959.18
  4. Step 4: Simplify right side
    6,889.50x = 20,246,597.14
  5. Step 5: Solve for x
    x = 20,246,597.14/6,889.50
  6. Step 6: Final answer
    x = 2,938.76

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Double scale
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Similar ratio
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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.