Home / 5,453.40-8,180.46-3,276.12

Finding the Fourth Proportional to 5,453.40, 8,180.46 and 3,276.12

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Solution

The fourth proportional to 5,453.40, 8,180.46 and 3,276.12 is: 4,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.40 : 8,180.46 = 3,276.12 : x
  2. Step 2: Convert to fraction form
    5,453.40/8,180.46 = 3,276.12/x
  3. Step 3: Cross multiply
    5,453.40x = 8,180.46 × 3,276.12
  4. Step 4: Simplify right side
    5,453.40x = 26,800,168.62
  5. Step 5: Solve for x
    x = 26,800,168.62/5,453.40
  6. Step 6: Final answer
    x = 4,914.40

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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.