Home / 6,431.43-9,647.84-2,047.87

Finding the Fourth Proportional to 6,431.43, 9,647.84 and 2,047.87

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Solution

The fourth proportional to 6,431.43, 9,647.84 and 2,047.87 is: 3,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.43 : 9,647.84 = 2,047.87 : x
  2. Step 2: Convert to fraction form
    6,431.43/9,647.84 = 2,047.87/x
  3. Step 3: Cross multiply
    6,431.43x = 9,647.84 × 2,047.87
  4. Step 4: Simplify right side
    6,431.43x = 19,757,522.10
  5. Step 5: Solve for x
    x = 19,757,522.10/6,431.43
  6. Step 6: Final answer
    x = 3,072.03

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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.