Home / 4,116.64-5,685.82-2,788.04

Finding the Fourth Proportional to 4,116.64, 5,685.82 and 2,788.04

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Solution

The fourth proportional to 4,116.64, 5,685.82 and 2,788.04 is: 3,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.64 : 5,685.82 = 2,788.04 : x
  2. Step 2: Convert to fraction form
    4,116.64/5,685.82 = 2,788.04/x
  3. Step 3: Cross multiply
    4,116.64x = 5,685.82 × 2,788.04
  4. Step 4: Simplify right side
    4,116.64x = 15,852,293.59
  5. Step 5: Solve for x
    x = 15,852,293.59/4,116.64
  6. Step 6: Final answer
    x = 3,850.78

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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.