Home / 4,118.49-6,205.84-3,404.07

Finding the Fourth Proportional to 4,118.49, 6,205.84 and 3,404.07

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Solution

The fourth proportional to 4,118.49, 6,205.84 and 3,404.07 is: 5,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.49 : 6,205.84 = 3,404.07 : x
  2. Step 2: Convert to fraction form
    4,118.49/6,205.84 = 3,404.07/x
  3. Step 3: Cross multiply
    4,118.49x = 6,205.84 × 3,404.07
  4. Step 4: Simplify right side
    4,118.49x = 21,125,105.26
  5. Step 5: Solve for x
    x = 21,125,105.26/4,118.49
  6. Step 6: Final answer
    x = 5,129.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.