Home / 6,446.20-9,668.40-2,064.10

Finding the Fourth Proportional to 6,446.20, 9,668.40 and 2,064.10

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Solution

The fourth proportional to 6,446.20, 9,668.40 and 2,064.10 is: 3,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.20 : 9,668.40 = 2,064.10 : x
  2. Step 2: Convert to fraction form
    6,446.20/9,668.40 = 2,064.10/x
  3. Step 3: Cross multiply
    6,446.20x = 9,668.40 × 2,064.10
  4. Step 4: Simplify right side
    6,446.20x = 19,956,544.44
  5. Step 5: Solve for x
    x = 19,956,544.44/6,446.20
  6. Step 6: Final answer
    x = 3,095.86

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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.