Home / 7,675.48-11,511.94-2,129.39

Finding the Fourth Proportional to 7,675.48, 11,511.94 and 2,129.39

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Solution

The fourth proportional to 7,675.48, 11,511.94 and 2,129.39 is: 3,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.48 : 11,511.94 = 2,129.39 : x
  2. Step 2: Convert to fraction form
    7,675.48/11,511.94 = 2,129.39/x
  3. Step 3: Cross multiply
    7,675.48x = 11,511.94 × 2,129.39
  4. Step 4: Simplify right side
    7,675.48x = 24,513,394.20
  5. Step 5: Solve for x
    x = 24,513,394.20/7,675.48
  6. Step 6: Final answer
    x = 3,193.73

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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.