Home / 5,261.56-7,884.81-3,863.93

Finding the Fourth Proportional to 5,261.56, 7,884.81 and 3,863.93

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Solution

The fourth proportional to 5,261.56, 7,884.81 and 3,863.93 is: 5,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.56 : 7,884.81 = 3,863.93 : x
  2. Step 2: Convert to fraction form
    5,261.56/7,884.81 = 3,863.93/x
  3. Step 3: Cross multiply
    5,261.56x = 7,884.81 × 3,863.93
  4. Step 4: Simplify right side
    5,261.56x = 30,466,353.90
  5. Step 5: Solve for x
    x = 30,466,353.90/5,261.56
  6. Step 6: Final answer
    x = 5,790.37

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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.