Home / 4,780.10-7,169.94-1,968.59

Finding the Fourth Proportional to 4,780.10, 7,169.94 and 1,968.59

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Solution

The fourth proportional to 4,780.10, 7,169.94 and 1,968.59 is: 2,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.10 : 7,169.94 = 1,968.59 : x
  2. Step 2: Convert to fraction form
    4,780.10/7,169.94 = 1,968.59/x
  3. Step 3: Cross multiply
    4,780.10x = 7,169.94 × 1,968.59
  4. Step 4: Simplify right side
    4,780.10x = 14,114,636.33
  5. Step 5: Solve for x
    x = 14,114,636.33/4,780.10
  6. Step 6: Final answer
    x = 2,952.79

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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.