Home / 5,125.80-7,680.60-3,273.60

Finding the Fourth Proportional to 5,125.80, 7,680.60 and 3,273.60

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Solution

The fourth proportional to 5,125.80, 7,680.60 and 3,273.60 is: 4,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.80 : 7,680.60 = 3,273.60 : x
  2. Step 2: Convert to fraction form
    5,125.80/7,680.60 = 3,273.60/x
  3. Step 3: Cross multiply
    5,125.80x = 7,680.60 × 3,273.60
  4. Step 4: Simplify right side
    5,125.80x = 25,143,212.16
  5. Step 5: Solve for x
    x = 25,143,212.16/5,125.80
  6. Step 6: Final answer
    x = 4,905.23

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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.