Home / 5,440.42-8,163.18-3,777.10

Finding the Fourth Proportional to 5,440.42, 8,163.18 and 3,777.10

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Solution

The fourth proportional to 5,440.42, 8,163.18 and 3,777.10 is: 5,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.42 : 8,163.18 = 3,777.10 : x
  2. Step 2: Convert to fraction form
    5,440.42/8,163.18 = 3,777.10/x
  3. Step 3: Cross multiply
    5,440.42x = 8,163.18 × 3,777.10
  4. Step 4: Simplify right side
    5,440.42x = 30,833,147.18
  5. Step 5: Solve for x
    x = 30,833,147.18/5,440.42
  6. Step 6: Final answer
    x = 5,667.42

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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.