Home / 4,134.70-6,199.91-1,212.62

Finding the Fourth Proportional to 4,134.70, 6,199.91 and 1,212.62

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Solution

The fourth proportional to 4,134.70, 6,199.91 and 1,212.62 is: 1,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.70 : 6,199.91 = 1,212.62 : x
  2. Step 2: Convert to fraction form
    4,134.70/6,199.91 = 1,212.62/x
  3. Step 3: Cross multiply
    4,134.70x = 6,199.91 × 1,212.62
  4. Step 4: Simplify right side
    4,134.70x = 7,518,137.90
  5. Step 5: Solve for x
    x = 7,518,137.90/4,134.70
  6. Step 6: Final answer
    x = 1,818.31

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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.