Home / 6,326.36-8,728.67-4,087.43

Finding the Fourth Proportional to 6,326.36, 8,728.67 and 4,087.43

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Solution

The fourth proportional to 6,326.36, 8,728.67 and 4,087.43 is: 5,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.36 : 8,728.67 = 4,087.43 : x
  2. Step 2: Convert to fraction form
    6,326.36/8,728.67 = 4,087.43/x
  3. Step 3: Cross multiply
    6,326.36x = 8,728.67 × 4,087.43
  4. Step 4: Simplify right side
    6,326.36x = 35,677,783.97
  5. Step 5: Solve for x
    x = 35,677,783.97/6,326.36
  6. Step 6: Final answer
    x = 5,639.54

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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.