Home / 4,105.86-6,159.58-1,333.22

Finding the Fourth Proportional to 4,105.86, 6,159.58 and 1,333.22

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Solution

The fourth proportional to 4,105.86, 6,159.58 and 1,333.22 is: 2,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.86 : 6,159.58 = 1,333.22 : x
  2. Step 2: Convert to fraction form
    4,105.86/6,159.58 = 1,333.22/x
  3. Step 3: Cross multiply
    4,105.86x = 6,159.58 × 1,333.22
  4. Step 4: Simplify right side
    4,105.86x = 8,212,075.25
  5. Step 5: Solve for x
    x = 8,212,075.25/4,105.86
  6. Step 6: Final answer
    x = 2,000.09

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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.