Home / 4,400.80-6,603.78-1,629.43

Finding the Fourth Proportional to 4,400.80, 6,603.78 and 1,629.43

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Solution

The fourth proportional to 4,400.80, 6,603.78 and 1,629.43 is: 2,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.80 : 6,603.78 = 1,629.43 : x
  2. Step 2: Convert to fraction form
    4,400.80/6,603.78 = 1,629.43/x
  3. Step 3: Cross multiply
    4,400.80x = 6,603.78 × 1,629.43
  4. Step 4: Simplify right side
    4,400.80x = 10,760,397.25
  5. Step 5: Solve for x
    x = 10,760,397.25/4,400.80
  6. Step 6: Final answer
    x = 2,445.10

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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.