Home / 5,383.54-8,079.36-2,611.81

Finding the Fourth Proportional to 5,383.54, 8,079.36 and 2,611.81

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Solution

The fourth proportional to 5,383.54, 8,079.36 and 2,611.81 is: 3,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.54 : 8,079.36 = 2,611.81 : x
  2. Step 2: Convert to fraction form
    5,383.54/8,079.36 = 2,611.81/x
  3. Step 3: Cross multiply
    5,383.54x = 8,079.36 × 2,611.81
  4. Step 4: Simplify right side
    5,383.54x = 21,101,753.24
  5. Step 5: Solve for x
    x = 21,101,753.24/5,383.54
  6. Step 6: Final answer
    x = 3,919.68

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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.