Home / 5,270.37-7,273.25-2,880.45

Finding the Fourth Proportional to 5,270.37, 7,273.25 and 2,880.45

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Solution

The fourth proportional to 5,270.37, 7,273.25 and 2,880.45 is: 3,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.37 : 7,273.25 = 2,880.45 : x
  2. Step 2: Convert to fraction form
    5,270.37/7,273.25 = 2,880.45/x
  3. Step 3: Cross multiply
    5,270.37x = 7,273.25 × 2,880.45
  4. Step 4: Simplify right side
    5,270.37x = 20,950,203.80
  5. Step 5: Solve for x
    x = 20,950,203.80/5,270.37
  6. Step 6: Final answer
    x = 3,975.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.