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Finding the Fourth Proportional to 7,525.56, 11,288.11 and 3,579.67

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Solution

The fourth proportional to 7,525.56, 11,288.11 and 3,579.67 is: 5,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.56 : 11,288.11 = 3,579.67 : x
  2. Step 2: Convert to fraction form
    7,525.56/11,288.11 = 3,579.67/x
  3. Step 3: Cross multiply
    7,525.56x = 11,288.11 × 3,579.67
  4. Step 4: Simplify right side
    7,525.56x = 40,407,708.72
  5. Step 5: Solve for x
    x = 40,407,708.72/7,525.56
  6. Step 6: Final answer
    x = 5,369.40

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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.