Home / 4,949-7,423.50-1,486.25

Finding the Fourth Proportional to 4,949, 7,423.50 and 1,486.25

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Solution

The fourth proportional to 4,949, 7,423.50 and 1,486.25 is: 2,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949 : 7,423.50 = 1,486.25 : x
  2. Step 2: Convert to fraction form
    4,949/7,423.50 = 1,486.25/x
  3. Step 3: Cross multiply
    4,949x = 7,423.50 × 1,486.25
  4. Step 4: Simplify right side
    4,949x = 11,033,176.88
  5. Step 5: Solve for x
    x = 11,033,176.88/4,949
  6. Step 6: Final answer
    x = 2,229.38

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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.