Home / 6,788.55-9,367.11-4,136.79

Finding the Fourth Proportional to 6,788.55, 9,367.11 and 4,136.79

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Solution

The fourth proportional to 6,788.55, 9,367.11 and 4,136.79 is: 5,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.55 : 9,367.11 = 4,136.79 : x
  2. Step 2: Convert to fraction form
    6,788.55/9,367.11 = 4,136.79/x
  3. Step 3: Cross multiply
    6,788.55x = 9,367.11 × 4,136.79
  4. Step 4: Simplify right side
    6,788.55x = 38,749,766.98
  5. Step 5: Solve for x
    x = 38,749,766.98/6,788.55
  6. Step 6: Final answer
    x = 5,708.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.