Home / 6,889.96-10,334.94-2,146.20

Finding the Fourth Proportional to 6,889.96, 10,334.94 and 2,146.20

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Solution

The fourth proportional to 6,889.96, 10,334.94 and 2,146.20 is: 3,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.96 : 10,334.94 = 2,146.20 : x
  2. Step 2: Convert to fraction form
    6,889.96/10,334.94 = 2,146.20/x
  3. Step 3: Cross multiply
    6,889.96x = 10,334.94 × 2,146.20
  4. Step 4: Simplify right side
    6,889.96x = 22,180,848.23
  5. Step 5: Solve for x
    x = 22,180,848.23/6,889.96
  6. Step 6: Final answer
    x = 3,219.30

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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.