Home / 6,814.20-9,404.64-4,163.16

Finding the Fourth Proportional to 6,814.20, 9,404.64 and 4,163.16

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Solution

The fourth proportional to 6,814.20, 9,404.64 and 4,163.16 is: 5,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.20 : 9,404.64 = 4,163.16 : x
  2. Step 2: Convert to fraction form
    6,814.20/9,404.64 = 4,163.16/x
  3. Step 3: Cross multiply
    6,814.20x = 9,404.64 × 4,163.16
  4. Step 4: Simplify right side
    6,814.20x = 39,153,021.06
  5. Step 5: Solve for x
    x = 39,153,021.06/6,814.20
  6. Step 6: Final answer
    x = 5,745.80

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1.5x scale

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.