Home / 7,640.82-11,460.96-2,709.27

Finding the Fourth Proportional to 7,640.82, 11,460.96 and 2,709.27

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Solution

The fourth proportional to 7,640.82, 11,460.96 and 2,709.27 is: 4,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.82 : 11,460.96 = 2,709.27 : x
  2. Step 2: Convert to fraction form
    7,640.82/11,460.96 = 2,709.27/x
  3. Step 3: Cross multiply
    7,640.82x = 11,460.96 × 2,709.27
  4. Step 4: Simplify right side
    7,640.82x = 31,050,835.10
  5. Step 5: Solve for x
    x = 31,050,835.10/7,640.82
  6. Step 6: Final answer
    x = 4,063.81

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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.