Home / 4,181.84-6,272.76-1,408

Finding the Fourth Proportional to 4,181.84, 6,272.76 and 1,408

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Solution

The fourth proportional to 4,181.84, 6,272.76 and 1,408 is: 2,112

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.84 : 6,272.76 = 1,408 : x
  2. Step 2: Convert to fraction form
    4,181.84/6,272.76 = 1,408/x
  3. Step 3: Cross multiply
    4,181.84x = 6,272.76 × 1,408
  4. Step 4: Simplify right side
    4,181.84x = 8,832,046.08
  5. Step 5: Solve for x
    x = 8,832,046.08/4,181.84
  6. Step 6: Final answer
    x = 2,112

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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.