Home / 6,615.45-9,921.49-2,453.16

Finding the Fourth Proportional to 6,615.45, 9,921.49 and 2,453.16

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Solution

The fourth proportional to 6,615.45, 9,921.49 and 2,453.16 is: 3,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.45 : 9,921.49 = 2,453.16 : x
  2. Step 2: Convert to fraction form
    6,615.45/9,921.49 = 2,453.16/x
  3. Step 3: Cross multiply
    6,615.45x = 9,921.49 × 2,453.16
  4. Step 4: Simplify right side
    6,615.45x = 24,338,940.54
  5. Step 5: Solve for x
    x = 24,338,940.54/6,615.45
  6. Step 6: Final answer
    x = 3,679.11

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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.