Home / 7,556.90-11,339.07-3,399.85

Finding the Fourth Proportional to 7,556.90, 11,339.07 and 3,399.85

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Solution

The fourth proportional to 7,556.90, 11,339.07 and 3,399.85 is: 5,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.90 : 11,339.07 = 3,399.85 : x
  2. Step 2: Convert to fraction form
    7,556.90/11,339.07 = 3,399.85/x
  3. Step 3: Cross multiply
    7,556.90x = 11,339.07 × 3,399.85
  4. Step 4: Simplify right side
    7,556.90x = 38,551,108.79
  5. Step 5: Solve for x
    x = 38,551,108.79/7,556.90
  6. Step 6: Final answer
    x = 5,101.44

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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.