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Finding the Fourth Proportional to 5,336.72, 8,005.07 and 1,441.12

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Solution

The fourth proportional to 5,336.72, 8,005.07 and 1,441.12 is: 2,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.72 : 8,005.07 = 1,441.12 : x
  2. Step 2: Convert to fraction form
    5,336.72/8,005.07 = 1,441.12/x
  3. Step 3: Cross multiply
    5,336.72x = 8,005.07 × 1,441.12
  4. Step 4: Simplify right side
    5,336.72x = 11,536,219.25
  5. Step 5: Solve for x
    x = 11,536,219.25/5,336.72
  6. Step 6: Final answer
    x = 2,161.67

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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.