Home / 6,819.88-10,216.54-3,528.04

Finding the Fourth Proportional to 6,819.88, 10,216.54 and 3,528.04

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Solution

The fourth proportional to 6,819.88, 10,216.54 and 3,528.04 is: 5,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.88 : 10,216.54 = 3,528.04 : x
  2. Step 2: Convert to fraction form
    6,819.88/10,216.54 = 3,528.04/x
  3. Step 3: Cross multiply
    6,819.88x = 10,216.54 × 3,528.04
  4. Step 4: Simplify right side
    6,819.88x = 36,044,361.78
  5. Step 5: Solve for x
    x = 36,044,361.78/6,819.88
  6. Step 6: Final answer
    x = 5,285.19

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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.