Home / 4,419.36-6,627.12-1,645.56

Finding the Fourth Proportional to 4,419.36, 6,627.12 and 1,645.56

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Solution

The fourth proportional to 4,419.36, 6,627.12 and 1,645.56 is: 2,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.36 : 6,627.12 = 1,645.56 : x
  2. Step 2: Convert to fraction form
    4,419.36/6,627.12 = 1,645.56/x
  3. Step 3: Cross multiply
    4,419.36x = 6,627.12 × 1,645.56
  4. Step 4: Simplify right side
    4,419.36x = 10,905,323.59
  5. Step 5: Solve for x
    x = 10,905,323.59/4,419.36
  6. Step 6: Final answer
    x = 2,467.63

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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.