Home / 4,121.08-6,175.72-3,899.32

Finding the Fourth Proportional to 4,121.08, 6,175.72 and 3,899.32

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Solution

The fourth proportional to 4,121.08, 6,175.72 and 3,899.32 is: 5,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.08 : 6,175.72 = 3,899.32 : x
  2. Step 2: Convert to fraction form
    4,121.08/6,175.72 = 3,899.32/x
  3. Step 3: Cross multiply
    4,121.08x = 6,175.72 × 3,899.32
  4. Step 4: Simplify right side
    4,121.08x = 24,081,108.51
  5. Step 5: Solve for x
    x = 24,081,108.51/4,121.08
  6. Step 6: Final answer
    x = 5,843.40

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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.