Home / 7,481.79-11,222.57-2,554.88

Finding the Fourth Proportional to 7,481.79, 11,222.57 and 2,554.88

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Solution

The fourth proportional to 7,481.79, 11,222.57 and 2,554.88 is: 3,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.79 : 11,222.57 = 2,554.88 : x
  2. Step 2: Convert to fraction form
    7,481.79/11,222.57 = 2,554.88/x
  3. Step 3: Cross multiply
    7,481.79x = 11,222.57 × 2,554.88
  4. Step 4: Simplify right side
    7,481.79x = 28,672,269.92
  5. Step 5: Solve for x
    x = 28,672,269.92/7,481.79
  6. Step 6: Final answer
    x = 3,832.27

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1.5x scale

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.