Home / 5,440.80-8,160.32-2,152.96

Finding the Fourth Proportional to 5,440.80, 8,160.32 and 2,152.96

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Solution

The fourth proportional to 5,440.80, 8,160.32 and 2,152.96 is: 3,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.80 : 8,160.32 = 2,152.96 : x
  2. Step 2: Convert to fraction form
    5,440.80/8,160.32 = 2,152.96/x
  3. Step 3: Cross multiply
    5,440.80x = 8,160.32 × 2,152.96
  4. Step 4: Simplify right side
    5,440.80x = 17,568,842.55
  5. Step 5: Solve for x
    x = 17,568,842.55/5,440.80
  6. Step 6: Final answer
    x = 3,229.09

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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.