Home / 8,271.09-12,408.35-2,724.77

Finding the Fourth Proportional to 8,271.09, 12,408.35 and 2,724.77

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Solution

The fourth proportional to 8,271.09, 12,408.35 and 2,724.77 is: 4,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.09 : 12,408.35 = 2,724.77 : x
  2. Step 2: Convert to fraction form
    8,271.09/12,408.35 = 2,724.77/x
  3. Step 3: Cross multiply
    8,271.09x = 12,408.35 × 2,724.77
  4. Step 4: Simplify right side
    8,271.09x = 33,809,917.23
  5. Step 5: Solve for x
    x = 33,809,917.23/8,271.09
  6. Step 6: Final answer
    x = 4,087.72

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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.