Home / 6,729.66-9,286.20-4,040.34

Finding the Fourth Proportional to 6,729.66, 9,286.20 and 4,040.34

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Solution

The fourth proportional to 6,729.66, 9,286.20 and 4,040.34 is: 5,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.66 : 9,286.20 = 4,040.34 : x
  2. Step 2: Convert to fraction form
    6,729.66/9,286.20 = 4,040.34/x
  3. Step 3: Cross multiply
    6,729.66x = 9,286.20 × 4,040.34
  4. Step 4: Simplify right side
    6,729.66x = 37,519,405.31
  5. Step 5: Solve for x
    x = 37,519,405.31/6,729.66
  6. Step 6: Final answer
    x = 5,575.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.