Home / 5,815.36-8,027.01-3,719.47

Finding the Fourth Proportional to 5,815.36, 8,027.01 and 3,719.47

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Solution

The fourth proportional to 5,815.36, 8,027.01 and 3,719.47 is: 5,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.36 : 8,027.01 = 3,719.47 : x
  2. Step 2: Convert to fraction form
    5,815.36/8,027.01 = 3,719.47/x
  3. Step 3: Cross multiply
    5,815.36x = 8,027.01 × 3,719.47
  4. Step 4: Simplify right side
    5,815.36x = 29,856,222.88
  5. Step 5: Solve for x
    x = 29,856,222.88/5,815.36
  6. Step 6: Final answer
    x = 5,134.03

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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.