Home / 6,428.97-9,643.35-2,046.37

Finding the Fourth Proportional to 6,428.97, 9,643.35 and 2,046.37

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Solution

The fourth proportional to 6,428.97, 9,643.35 and 2,046.37 is: 3,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.97 : 9,643.35 = 2,046.37 : x
  2. Step 2: Convert to fraction form
    6,428.97/9,643.35 = 2,046.37/x
  3. Step 3: Cross multiply
    6,428.97x = 9,643.35 × 2,046.37
  4. Step 4: Simplify right side
    6,428.97x = 19,733,862.14
  5. Step 5: Solve for x
    x = 19,733,862.14/6,428.97
  6. Step 6: Final answer
    x = 3,069.52

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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.