Home / 4,480.36-6,721.90-1,810.58

Finding the Fourth Proportional to 4,480.36, 6,721.90 and 1,810.58

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Solution

The fourth proportional to 4,480.36, 6,721.90 and 1,810.58 is: 2,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.36 : 6,721.90 = 1,810.58 : x
  2. Step 2: Convert to fraction form
    4,480.36/6,721.90 = 1,810.58/x
  3. Step 3: Cross multiply
    4,480.36x = 6,721.90 × 1,810.58
  4. Step 4: Simplify right side
    4,480.36x = 12,170,537.70
  5. Step 5: Solve for x
    x = 12,170,537.70/4,480.36
  6. Step 6: Final answer
    x = 2,716.42

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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.