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Finding the Fourth Proportional to 7,803.03, 11,703.73 and 2,608.50

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Solution

The fourth proportional to 7,803.03, 11,703.73 and 2,608.50 is: 3,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.03 : 11,703.73 = 2,608.50 : x
  2. Step 2: Convert to fraction form
    7,803.03/11,703.73 = 2,608.50/x
  3. Step 3: Cross multiply
    7,803.03x = 11,703.73 × 2,608.50
  4. Step 4: Simplify right side
    7,803.03x = 30,529,179.71
  5. Step 5: Solve for x
    x = 30,529,179.71/7,803.03
  6. Step 6: Final answer
    x = 3,912.48

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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.