Home / 7,675.68-11,513.60-2,481.60

Finding the Fourth Proportional to 7,675.68, 11,513.60 and 2,481.60

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Solution

The fourth proportional to 7,675.68, 11,513.60 and 2,481.60 is: 3,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.68 : 11,513.60 = 2,481.60 : x
  2. Step 2: Convert to fraction form
    7,675.68/11,513.60 = 2,481.60/x
  3. Step 3: Cross multiply
    7,675.68x = 11,513.60 × 2,481.60
  4. Step 4: Simplify right side
    7,675.68x = 28,572,149.76
  5. Step 5: Solve for x
    x = 28,572,149.76/7,675.68
  6. Step 6: Final answer
    x = 3,722.43

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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.