Home / 7,786.04-11,684.40-3,404.72

Finding the Fourth Proportional to 7,786.04, 11,684.40 and 3,404.72

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Solution

The fourth proportional to 7,786.04, 11,684.40 and 3,404.72 is: 5,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.04 : 11,684.40 = 3,404.72 : x
  2. Step 2: Convert to fraction form
    7,786.04/11,684.40 = 3,404.72/x
  3. Step 3: Cross multiply
    7,786.04x = 11,684.40 × 3,404.72
  4. Step 4: Simplify right side
    7,786.04x = 39,782,110.37
  5. Step 5: Solve for x
    x = 39,782,110.37/7,786.04
  6. Step 6: Final answer
    x = 5,109.42

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1.5x scale

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.