Home / 4,181.05-6,272.04-1,407.91

Finding the Fourth Proportional to 4,181.05, 6,272.04 and 1,407.91

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Solution

The fourth proportional to 4,181.05, 6,272.04 and 1,407.91 is: 2,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.05 : 6,272.04 = 1,407.91 : x
  2. Step 2: Convert to fraction form
    4,181.05/6,272.04 = 1,407.91/x
  3. Step 3: Cross multiply
    4,181.05x = 6,272.04 × 1,407.91
  4. Step 4: Simplify right side
    4,181.05x = 8,830,467.84
  5. Step 5: Solve for x
    x = 8,830,467.84/4,181.05
  6. Step 6: Final answer
    x = 2,112.02

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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.