Home / 6,814.80-9,404.36-3,830.60

Finding the Fourth Proportional to 6,814.80, 9,404.36 and 3,830.60

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Solution

The fourth proportional to 6,814.80, 9,404.36 and 3,830.60 is: 5,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.80 : 9,404.36 = 3,830.60 : x
  2. Step 2: Convert to fraction form
    6,814.80/9,404.36 = 3,830.60/x
  3. Step 3: Cross multiply
    6,814.80x = 9,404.36 × 3,830.60
  4. Step 4: Simplify right side
    6,814.80x = 36,024,294.39
  5. Step 5: Solve for x
    x = 36,024,294.39/6,814.80
  6. Step 6: Final answer
    x = 5,286.19

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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.