Home / 6,431.91-9,648.63-2,271.06

Finding the Fourth Proportional to 6,431.91, 9,648.63 and 2,271.06

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Solution

The fourth proportional to 6,431.91, 9,648.63 and 2,271.06 is: 3,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.91 : 9,648.63 = 2,271.06 : x
  2. Step 2: Convert to fraction form
    6,431.91/9,648.63 = 2,271.06/x
  3. Step 3: Cross multiply
    6,431.91x = 9,648.63 × 2,271.06
  4. Step 4: Simplify right side
    6,431.91x = 21,912,617.65
  5. Step 5: Solve for x
    x = 21,912,617.65/6,431.91
  6. Step 6: Final answer
    x = 3,406.86

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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.