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Finding the Fourth Proportional to 4,860.88, 6,708 and 2,765

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Solution

The fourth proportional to 4,860.88, 6,708 and 2,765 is: 3,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.88 : 6,708 = 2,765 : x
  2. Step 2: Convert to fraction form
    4,860.88/6,708 = 2,765/x
  3. Step 3: Cross multiply
    4,860.88x = 6,708 × 2,765
  4. Step 4: Simplify right side
    4,860.88x = 18,547,620
  5. Step 5: Solve for x
    x = 18,547,620/4,860.88
  6. Step 6: Final answer
    x = 3,815.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.