Home / 4,135.10-6,203.25-1,213.02

Finding the Fourth Proportional to 4,135.10, 6,203.25 and 1,213.02

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Solution

The fourth proportional to 4,135.10, 6,203.25 and 1,213.02 is: 1,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.10 : 6,203.25 = 1,213.02 : x
  2. Step 2: Convert to fraction form
    4,135.10/6,203.25 = 1,213.02/x
  3. Step 3: Cross multiply
    4,135.10x = 6,203.25 × 1,213.02
  4. Step 4: Simplify right side
    4,135.10x = 7,524,666.32
  5. Step 5: Solve for x
    x = 7,524,666.32/4,135.10
  6. Step 6: Final answer
    x = 1,819.71

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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.