Home / 6,403.11-9,609-2,243.15

Finding the Fourth Proportional to 6,403.11, 9,609 and 2,243.15

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Solution

The fourth proportional to 6,403.11, 9,609 and 2,243.15 is: 3,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.11 : 9,609 = 2,243.15 : x
  2. Step 2: Convert to fraction form
    6,403.11/9,609 = 2,243.15/x
  3. Step 3: Cross multiply
    6,403.11x = 9,609 × 2,243.15
  4. Step 4: Simplify right side
    6,403.11x = 21,554,428.35
  5. Step 5: Solve for x
    x = 21,554,428.35/6,403.11
  6. Step 6: Final answer
    x = 3,366.24

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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.