Home / 8,166.54-12,247.83-3,779.82

Finding the Fourth Proportional to 8,166.54, 12,247.83 and 3,779.82

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Solution

The fourth proportional to 8,166.54, 12,247.83 and 3,779.82 is: 5,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.54 : 12,247.83 = 3,779.82 : x
  2. Step 2: Convert to fraction form
    8,166.54/12,247.83 = 3,779.82/x
  3. Step 3: Cross multiply
    8,166.54x = 12,247.83 × 3,779.82
  4. Step 4: Simplify right side
    8,166.54x = 46,294,592.79
  5. Step 5: Solve for x
    x = 46,294,592.79/8,166.54
  6. Step 6: Final answer
    x = 5,668.81

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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.