Home / 7,653.60-11,481.27-3,271.50

Finding the Fourth Proportional to 7,653.60, 11,481.27 and 3,271.50

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Solution

The fourth proportional to 7,653.60, 11,481.27 and 3,271.50 is: 4,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.60 : 11,481.27 = 3,271.50 : x
  2. Step 2: Convert to fraction form
    7,653.60/11,481.27 = 3,271.50/x
  3. Step 3: Cross multiply
    7,653.60x = 11,481.27 × 3,271.50
  4. Step 4: Simplify right side
    7,653.60x = 37,560,974.81
  5. Step 5: Solve for x
    x = 37,560,974.81/7,653.60
  6. Step 6: Final answer
    x = 4,907.62

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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.