Home / 6,729.42-9,287.94-3,897.26

Finding the Fourth Proportional to 6,729.42, 9,287.94 and 3,897.26

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Solution

The fourth proportional to 6,729.42, 9,287.94 and 3,897.26 is: 5,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.42 : 9,287.94 = 3,897.26 : x
  2. Step 2: Convert to fraction form
    6,729.42/9,287.94 = 3,897.26/x
  3. Step 3: Cross multiply
    6,729.42x = 9,287.94 × 3,897.26
  4. Step 4: Simplify right side
    6,729.42x = 36,197,517.04
  5. Step 5: Solve for x
    x = 36,197,517.04/6,729.42
  6. Step 6: Final answer
    x = 5,379.00

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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.