Home / 4,256.97-6,380.55-1,914.45

Finding the Fourth Proportional to 4,256.97, 6,380.55 and 1,914.45

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Solution

The fourth proportional to 4,256.97, 6,380.55 and 1,914.45 is: 2,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.97 : 6,380.55 = 1,914.45 : x
  2. Step 2: Convert to fraction form
    4,256.97/6,380.55 = 1,914.45/x
  3. Step 3: Cross multiply
    4,256.97x = 6,380.55 × 1,914.45
  4. Step 4: Simplify right side
    4,256.97x = 12,215,243.95
  5. Step 5: Solve for x
    x = 12,215,243.95/4,256.97
  6. Step 6: Final answer
    x = 2,869.47

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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.