Home / 4,134.78-6,189.21-2,181.06

Finding the Fourth Proportional to 4,134.78, 6,189.21 and 2,181.06

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Solution

The fourth proportional to 4,134.78, 6,189.21 and 2,181.06 is: 3,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.78 : 6,189.21 = 2,181.06 : x
  2. Step 2: Convert to fraction form
    4,134.78/6,189.21 = 2,181.06/x
  3. Step 3: Cross multiply
    4,134.78x = 6,189.21 × 2,181.06
  4. Step 4: Simplify right side
    4,134.78x = 13,499,038.36
  5. Step 5: Solve for x
    x = 13,499,038.36/4,134.78
  6. Step 6: Final answer
    x = 3,264.75

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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.