Home / 5,778.37-8,668.64-2,082.61

Finding the Fourth Proportional to 5,778.37, 8,668.64 and 2,082.61

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Solution

The fourth proportional to 5,778.37, 8,668.64 and 2,082.61 is: 3,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.37 : 8,668.64 = 2,082.61 : x
  2. Step 2: Convert to fraction form
    5,778.37/8,668.64 = 2,082.61/x
  3. Step 3: Cross multiply
    5,778.37x = 8,668.64 × 2,082.61
  4. Step 4: Simplify right side
    5,778.37x = 18,053,396.35
  5. Step 5: Solve for x
    x = 18,053,396.35/5,778.37
  6. Step 6: Final answer
    x = 3,124.31

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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.