Home / 5,273.80-7,896.30-4,112.20

Finding the Fourth Proportional to 5,273.80, 7,896.30 and 4,112.20

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Solution

The fourth proportional to 5,273.80, 7,896.30 and 4,112.20 is: 6,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.80 : 7,896.30 = 4,112.20 : x
  2. Step 2: Convert to fraction form
    5,273.80/7,896.30 = 4,112.20/x
  3. Step 3: Cross multiply
    5,273.80x = 7,896.30 × 4,112.20
  4. Step 4: Simplify right side
    5,273.80x = 32,471,164.86
  5. Step 5: Solve for x
    x = 32,471,164.86/5,273.80
  6. Step 6: Final answer
    x = 6,157.07

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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.