Home / 4,811.31-6,638.09-2,715.03

Finding the Fourth Proportional to 4,811.31, 6,638.09 and 2,715.03

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Solution

The fourth proportional to 4,811.31, 6,638.09 and 2,715.03 is: 3,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.31 : 6,638.09 = 2,715.03 : x
  2. Step 2: Convert to fraction form
    4,811.31/6,638.09 = 2,715.03/x
  3. Step 3: Cross multiply
    4,811.31x = 6,638.09 × 2,715.03
  4. Step 4: Simplify right side
    4,811.31x = 18,022,599.92
  5. Step 5: Solve for x
    x = 18,022,599.92/4,811.31
  6. Step 6: Final answer
    x = 3,745.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.