Home / 5,704.31-8,556.91-1,808.75

Finding the Fourth Proportional to 5,704.31, 8,556.91 and 1,808.75

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Solution

The fourth proportional to 5,704.31, 8,556.91 and 1,808.75 is: 2,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.31 : 8,556.91 = 1,808.75 : x
  2. Step 2: Convert to fraction form
    5,704.31/8,556.91 = 1,808.75/x
  3. Step 3: Cross multiply
    5,704.31x = 8,556.91 × 1,808.75
  4. Step 4: Simplify right side
    5,704.31x = 15,477,327.83
  5. Step 5: Solve for x
    x = 15,477,327.83/5,704.31
  6. Step 6: Final answer
    x = 2,713.27

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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.