Home / 5,129.44-7,688.09-2,353.77

Finding the Fourth Proportional to 5,129.44, 7,688.09 and 2,353.77

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Solution

The fourth proportional to 5,129.44, 7,688.09 and 2,353.77 is: 3,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.44 : 7,688.09 = 2,353.77 : x
  2. Step 2: Convert to fraction form
    5,129.44/7,688.09 = 2,353.77/x
  3. Step 3: Cross multiply
    5,129.44x = 7,688.09 × 2,353.77
  4. Step 4: Simplify right side
    5,129.44x = 18,096,003.05
  5. Step 5: Solve for x
    x = 18,096,003.05/5,129.44
  6. Step 6: Final answer
    x = 3,527.87

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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.