Home / 7,779.11-11,674.94-4,083.54

Finding the Fourth Proportional to 7,779.11, 11,674.94 and 4,083.54

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Solution

The fourth proportional to 7,779.11, 11,674.94 and 4,083.54 is: 6,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.11 : 11,674.94 = 4,083.54 : x
  2. Step 2: Convert to fraction form
    7,779.11/11,674.94 = 4,083.54/x
  3. Step 3: Cross multiply
    7,779.11x = 11,674.94 × 4,083.54
  4. Step 4: Simplify right side
    7,779.11x = 47,675,053.12
  5. Step 5: Solve for x
    x = 47,675,053.12/7,779.11
  6. Step 6: Final answer
    x = 6,128.60

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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.