Home / 4,104.36-6,147.35-1,909.80

Finding the Fourth Proportional to 4,104.36, 6,147.35 and 1,909.80

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Solution

The fourth proportional to 4,104.36, 6,147.35 and 1,909.80 is: 2,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.36 : 6,147.35 = 1,909.80 : x
  2. Step 2: Convert to fraction form
    4,104.36/6,147.35 = 1,909.80/x
  3. Step 3: Cross multiply
    4,104.36x = 6,147.35 × 1,909.80
  4. Step 4: Simplify right side
    4,104.36x = 11,740,209.03
  5. Step 5: Solve for x
    x = 11,740,209.03/4,104.36
  6. Step 6: Final answer
    x = 2,860.42

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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.