Home / 6,380.90-9,557.43-3,087.02

Finding the Fourth Proportional to 6,380.90, 9,557.43 and 3,087.02

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Solution

The fourth proportional to 6,380.90, 9,557.43 and 3,087.02 is: 4,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.90 : 9,557.43 = 3,087.02 : x
  2. Step 2: Convert to fraction form
    6,380.90/9,557.43 = 3,087.02/x
  3. Step 3: Cross multiply
    6,380.90x = 9,557.43 × 3,087.02
  4. Step 4: Simplify right side
    6,380.90x = 29,503,977.56
  5. Step 5: Solve for x
    x = 29,503,977.56/6,380.90
  6. Step 6: Final answer
    x = 4,623.80

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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.