Home / 6,429.05-9,644.36-2,268.21

Finding the Fourth Proportional to 6,429.05, 9,644.36 and 2,268.21

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Solution

The fourth proportional to 6,429.05, 9,644.36 and 2,268.21 is: 3,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.05 : 9,644.36 = 2,268.21 : x
  2. Step 2: Convert to fraction form
    6,429.05/9,644.36 = 2,268.21/x
  3. Step 3: Cross multiply
    6,429.05x = 9,644.36 × 2,268.21
  4. Step 4: Simplify right side
    6,429.05x = 21,875,386.29
  5. Step 5: Solve for x
    x = 21,875,386.29/6,429.05
  6. Step 6: Final answer
    x = 3,402.58

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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.