Home / 6,412.20-8,849.58-3,759.60

Finding the Fourth Proportional to 6,412.20, 8,849.58 and 3,759.60

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Solution

The fourth proportional to 6,412.20, 8,849.58 and 3,759.60 is: 5,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.20 : 8,849.58 = 3,759.60 : x
  2. Step 2: Convert to fraction form
    6,412.20/8,849.58 = 3,759.60/x
  3. Step 3: Cross multiply
    6,412.20x = 8,849.58 × 3,759.60
  4. Step 4: Simplify right side
    6,412.20x = 33,270,880.97
  5. Step 5: Solve for x
    x = 33,270,880.97/6,412.20
  6. Step 6: Final answer
    x = 5,188.68

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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.