Home / 6,789.49-10,177.26-3,861.61

Finding the Fourth Proportional to 6,789.49, 10,177.26 and 3,861.61

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Solution

The fourth proportional to 6,789.49, 10,177.26 and 3,861.61 is: 5,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.49 : 10,177.26 = 3,861.61 : x
  2. Step 2: Convert to fraction form
    6,789.49/10,177.26 = 3,861.61/x
  3. Step 3: Cross multiply
    6,789.49x = 10,177.26 × 3,861.61
  4. Step 4: Simplify right side
    6,789.49x = 39,300,608.99
  5. Step 5: Solve for x
    x = 39,300,608.99/6,789.49
  6. Step 6: Final answer
    x = 5,788.45

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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.