Home / 5,977.72-8,971.44-3,205.90

Finding the Fourth Proportional to 5,977.72, 8,971.44 and 3,205.90

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Solution

The fourth proportional to 5,977.72, 8,971.44 and 3,205.90 is: 4,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.72 : 8,971.44 = 3,205.90 : x
  2. Step 2: Convert to fraction form
    5,977.72/8,971.44 = 3,205.90/x
  3. Step 3: Cross multiply
    5,977.72x = 8,971.44 × 3,205.90
  4. Step 4: Simplify right side
    5,977.72x = 28,761,539.50
  5. Step 5: Solve for x
    x = 28,761,539.50/5,977.72
  6. Step 6: Final answer
    x = 4,811.46

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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.