Home / 4,907.30-7,348.80-3,149.60

Finding the Fourth Proportional to 4,907.30, 7,348.80 and 3,149.60

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Solution

The fourth proportional to 4,907.30, 7,348.80 and 3,149.60 is: 4,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.30 : 7,348.80 = 3,149.60 : x
  2. Step 2: Convert to fraction form
    4,907.30/7,348.80 = 3,149.60/x
  3. Step 3: Cross multiply
    4,907.30x = 7,348.80 × 3,149.60
  4. Step 4: Simplify right side
    4,907.30x = 23,145,780.48
  5. Step 5: Solve for x
    x = 23,145,780.48/4,907.30
  6. Step 6: Final answer
    x = 4,716.60

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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.