Home / 6,431.91-9,647.70-2,969.16

Finding the Fourth Proportional to 6,431.91, 9,647.70 and 2,969.16

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Solution

The fourth proportional to 6,431.91, 9,647.70 and 2,969.16 is: 4,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.91 : 9,647.70 = 2,969.16 : x
  2. Step 2: Convert to fraction form
    6,431.91/9,647.70 = 2,969.16/x
  3. Step 3: Cross multiply
    6,431.91x = 9,647.70 × 2,969.16
  4. Step 4: Simplify right side
    6,431.91x = 28,645,564.93
  5. Step 5: Solve for x
    x = 28,645,564.93/6,431.91
  6. Step 6: Final answer
    x = 4,453.66

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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.