Home / 7,674.55-11,511.82-2,129.29

Finding the Fourth Proportional to 7,674.55, 11,511.82 and 2,129.29

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Solution

The fourth proportional to 7,674.55, 11,511.82 and 2,129.29 is: 3,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.55 : 11,511.82 = 2,129.29 : x
  2. Step 2: Convert to fraction form
    7,674.55/11,511.82 = 2,129.29/x
  3. Step 3: Cross multiply
    7,674.55x = 11,511.82 × 2,129.29
  4. Step 4: Simplify right side
    7,674.55x = 24,511,977.09
  5. Step 5: Solve for x
    x = 24,511,977.09/7,674.55
  6. Step 6: Final answer
    x = 3,193.93

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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.