Home / 4,779.14-7,166.68-1,855.44

Finding the Fourth Proportional to 4,779.14, 7,166.68 and 1,855.44

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Solution

The fourth proportional to 4,779.14, 7,166.68 and 1,855.44 is: 2,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.14 : 7,166.68 = 1,855.44 : x
  2. Step 2: Convert to fraction form
    4,779.14/7,166.68 = 1,855.44/x
  3. Step 3: Cross multiply
    4,779.14x = 7,166.68 × 1,855.44
  4. Step 4: Simplify right side
    4,779.14x = 13,297,340.10
  5. Step 5: Solve for x
    x = 13,297,340.10/4,779.14
  6. Step 6: Final answer
    x = 2,782.37

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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.