Home / 7,675.26-11,511.62-2,129.19

Finding the Fourth Proportional to 7,675.26, 11,511.62 and 2,129.19

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Solution

The fourth proportional to 7,675.26, 11,511.62 and 2,129.19 is: 3,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.26 : 11,511.62 = 2,129.19 : x
  2. Step 2: Convert to fraction form
    7,675.26/11,511.62 = 2,129.19/x
  3. Step 3: Cross multiply
    7,675.26x = 11,511.62 × 2,129.19
  4. Step 4: Simplify right side
    7,675.26x = 24,510,380.36
  5. Step 5: Solve for x
    x = 24,510,380.36/7,675.26
  6. Step 6: Final answer
    x = 3,193.43

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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.