Home / 6,889.26-10,335.46-2,209.60

Finding the Fourth Proportional to 6,889.26, 10,335.46 and 2,209.60

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Solution

The fourth proportional to 6,889.26, 10,335.46 and 2,209.60 is: 3,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.26 : 10,335.46 = 2,209.60 : x
  2. Step 2: Convert to fraction form
    6,889.26/10,335.46 = 2,209.60/x
  3. Step 3: Cross multiply
    6,889.26x = 10,335.46 × 2,209.60
  4. Step 4: Simplify right side
    6,889.26x = 22,837,232.42
  5. Step 5: Solve for x
    x = 22,837,232.42/6,889.26
  6. Step 6: Final answer
    x = 3,314.90

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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.