Home / 4,120.12-6,175.86-1,927

Finding the Fourth Proportional to 4,120.12, 6,175.86 and 1,927

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Solution

The fourth proportional to 4,120.12, 6,175.86 and 1,927 is: 2,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.12 : 6,175.86 = 1,927 : x
  2. Step 2: Convert to fraction form
    4,120.12/6,175.86 = 1,927/x
  3. Step 3: Cross multiply
    4,120.12x = 6,175.86 × 1,927
  4. Step 4: Simplify right side
    4,120.12x = 11,900,882.22
  5. Step 5: Solve for x
    x = 11,900,882.22/4,120.12
  6. Step 6: Final answer
    x = 2,888.48

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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.