Home / 7,540.72-11,311.22-3,592.40

Finding the Fourth Proportional to 7,540.72, 11,311.22 and 3,592.40

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Solution

The fourth proportional to 7,540.72, 11,311.22 and 3,592.40 is: 5,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.72 : 11,311.22 = 3,592.40 : x
  2. Step 2: Convert to fraction form
    7,540.72/11,311.22 = 3,592.40/x
  3. Step 3: Cross multiply
    7,540.72x = 11,311.22 × 3,592.40
  4. Step 4: Simplify right side
    7,540.72x = 40,634,426.73
  5. Step 5: Solve for x
    x = 40,634,426.73/7,540.72
  6. Step 6: Final answer
    x = 5,388.67

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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.