Home / 6,429.14-9,644.64-2,045.12

Finding the Fourth Proportional to 6,429.14, 9,644.64 and 2,045.12

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Solution

The fourth proportional to 6,429.14, 9,644.64 and 2,045.12 is: 3,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.14 : 9,644.64 = 2,045.12 : x
  2. Step 2: Convert to fraction form
    6,429.14/9,644.64 = 2,045.12/x
  3. Step 3: Cross multiply
    6,429.14x = 9,644.64 × 2,045.12
  4. Step 4: Simplify right side
    6,429.14x = 19,724,446.16
  5. Step 5: Solve for x
    x = 19,724,446.16/6,429.14
  6. Step 6: Final answer
    x = 3,067.98

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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.