Home / 7,779.14-11,671.44-3,396.94

Finding the Fourth Proportional to 7,779.14, 11,671.44 and 3,396.94

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Solution

The fourth proportional to 7,779.14, 11,671.44 and 3,396.94 is: 5,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.14 : 11,671.44 = 3,396.94 : x
  2. Step 2: Convert to fraction form
    7,779.14/11,671.44 = 3,396.94/x
  3. Step 3: Cross multiply
    7,779.14x = 11,671.44 × 3,396.94
  4. Step 4: Simplify right side
    7,779.14x = 39,647,158.58
  5. Step 5: Solve for x
    x = 39,647,158.58/7,779.14
  6. Step 6: Final answer
    x = 5,096.60

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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.