Home / 7,489.35-11,235.68-2,224.79

Finding the Fourth Proportional to 7,489.35, 11,235.68 and 2,224.79

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Solution

The fourth proportional to 7,489.35, 11,235.68 and 2,224.79 is: 3,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.35 : 11,235.68 = 2,224.79 : x
  2. Step 2: Convert to fraction form
    7,489.35/11,235.68 = 2,224.79/x
  3. Step 3: Cross multiply
    7,489.35x = 11,235.68 × 2,224.79
  4. Step 4: Simplify right side
    7,489.35x = 24,996,961.20
  5. Step 5: Solve for x
    x = 24,996,961.20/7,489.35
  6. Step 6: Final answer
    x = 3,337.67

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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.