Home / 5,270.45-7,273.03-2,880.44

Finding the Fourth Proportional to 5,270.45, 7,273.03 and 2,880.44

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Solution

The fourth proportional to 5,270.45, 7,273.03 and 2,880.44 is: 3,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.45 : 7,273.03 = 2,880.44 : x
  2. Step 2: Convert to fraction form
    5,270.45/7,273.03 = 2,880.44/x
  3. Step 3: Cross multiply
    5,270.45x = 7,273.03 × 2,880.44
  4. Step 4: Simplify right side
    5,270.45x = 20,949,526.53
  5. Step 5: Solve for x
    x = 20,949,526.53/5,270.45
  6. Step 6: Final answer
    x = 3,974.90

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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.