Home / 4,428.48-6,645.36-2,481.20

Finding the Fourth Proportional to 4,428.48, 6,645.36 and 2,481.20

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Solution

The fourth proportional to 4,428.48, 6,645.36 and 2,481.20 is: 3,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.48 : 6,645.36 = 2,481.20 : x
  2. Step 2: Convert to fraction form
    4,428.48/6,645.36 = 2,481.20/x
  3. Step 3: Cross multiply
    4,428.48x = 6,645.36 × 2,481.20
  4. Step 4: Simplify right side
    4,428.48x = 16,488,467.23
  5. Step 5: Solve for x
    x = 16,488,467.23/4,428.48
  6. Step 6: Final answer
    x = 3,723.28

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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.