Home / 6,514.43-9,770.73-2,131.31

Finding the Fourth Proportional to 6,514.43, 9,770.73 and 2,131.31

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Solution

The fourth proportional to 6,514.43, 9,770.73 and 2,131.31 is: 3,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.43 : 9,770.73 = 2,131.31 : x
  2. Step 2: Convert to fraction form
    6,514.43/9,770.73 = 2,131.31/x
  3. Step 3: Cross multiply
    6,514.43x = 9,770.73 × 2,131.31
  4. Step 4: Simplify right side
    6,514.43x = 20,824,470.99
  5. Step 5: Solve for x
    x = 20,824,470.99/6,514.43
  6. Step 6: Final answer
    x = 3,196.67

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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.