Home / 7,771.52-11,662.32-3,389.24

Finding the Fourth Proportional to 7,771.52, 11,662.32 and 3,389.24

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Solution

The fourth proportional to 7,771.52, 11,662.32 and 3,389.24 is: 5,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.52 : 11,662.32 = 3,389.24 : x
  2. Step 2: Convert to fraction form
    7,771.52/11,662.32 = 3,389.24/x
  3. Step 3: Cross multiply
    7,771.52x = 11,662.32 × 3,389.24
  4. Step 4: Simplify right side
    7,771.52x = 39,526,401.44
  5. Step 5: Solve for x
    x = 39,526,401.44/7,771.52
  6. Step 6: Final answer
    x = 5,086.06

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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.