Home / 5,704.46-8,556.93-1,808.78

Finding the Fourth Proportional to 5,704.46, 8,556.93 and 1,808.78

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Solution

The fourth proportional to 5,704.46, 8,556.93 and 1,808.78 is: 2,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.46 : 8,556.93 = 1,808.78 : x
  2. Step 2: Convert to fraction form
    5,704.46/8,556.93 = 1,808.78/x
  3. Step 3: Cross multiply
    5,704.46x = 8,556.93 × 1,808.78
  4. Step 4: Simplify right side
    5,704.46x = 15,477,603.85
  5. Step 5: Solve for x
    x = 15,477,603.85/5,704.46
  6. Step 6: Final answer
    x = 2,713.25

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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.