Home / 5,270.95-7,273.62-2,912.94

Finding the Fourth Proportional to 5,270.95, 7,273.62 and 2,912.94

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Solution

The fourth proportional to 5,270.95, 7,273.62 and 2,912.94 is: 4,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.95 : 7,273.62 = 2,912.94 : x
  2. Step 2: Convert to fraction form
    5,270.95/7,273.62 = 2,912.94/x
  3. Step 3: Cross multiply
    5,270.95x = 7,273.62 × 2,912.94
  4. Step 4: Simplify right side
    5,270.95x = 21,187,618.64
  5. Step 5: Solve for x
    x = 21,187,618.64/5,270.95
  6. Step 6: Final answer
    x = 4,019.70

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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.