Home / 5,918.76-8,164.44-3,822.90

Finding the Fourth Proportional to 5,918.76, 8,164.44 and 3,822.90

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Solution

The fourth proportional to 5,918.76, 8,164.44 and 3,822.90 is: 5,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.76 : 8,164.44 = 3,822.90 : x
  2. Step 2: Convert to fraction form
    5,918.76/8,164.44 = 3,822.90/x
  3. Step 3: Cross multiply
    5,918.76x = 8,164.44 × 3,822.90
  4. Step 4: Simplify right side
    5,918.76x = 31,211,837.68
  5. Step 5: Solve for x
    x = 31,211,837.68/5,918.76
  6. Step 6: Final answer
    x = 5,273.37

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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.