Home / 4,419.10-6,623.73-1,819.78

Finding the Fourth Proportional to 4,419.10, 6,623.73 and 1,819.78

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Solution

The fourth proportional to 4,419.10, 6,623.73 and 1,819.78 is: 2,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.10 : 6,623.73 = 1,819.78 : x
  2. Step 2: Convert to fraction form
    4,419.10/6,623.73 = 1,819.78/x
  3. Step 3: Cross multiply
    4,419.10x = 6,623.73 × 1,819.78
  4. Step 4: Simplify right side
    4,419.10x = 12,053,731.38
  5. Step 5: Solve for x
    x = 12,053,731.38/4,419.10
  6. Step 6: Final answer
    x = 2,727.64

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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.