Home / 6,428.91-9,643.26-2,046.30

Finding the Fourth Proportional to 6,428.91, 9,643.26 and 2,046.30

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Solution

The fourth proportional to 6,428.91, 9,643.26 and 2,046.30 is: 3,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.91 : 9,643.26 = 2,046.30 : x
  2. Step 2: Convert to fraction form
    6,428.91/9,643.26 = 2,046.30/x
  3. Step 3: Cross multiply
    6,428.91x = 9,643.26 × 2,046.30
  4. Step 4: Simplify right side
    6,428.91x = 19,733,002.94
  5. Step 5: Solve for x
    x = 19,733,002.94/6,428.91
  6. Step 6: Final answer
    x = 3,069.42

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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.