Home / 4,261.12-6,391.14-1,665.88

Finding the Fourth Proportional to 4,261.12, 6,391.14 and 1,665.88

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Solution

The fourth proportional to 4,261.12, 6,391.14 and 1,665.88 is: 2,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.12 : 6,391.14 = 1,665.88 : x
  2. Step 2: Convert to fraction form
    4,261.12/6,391.14 = 1,665.88/x
  3. Step 3: Cross multiply
    4,261.12x = 6,391.14 × 1,665.88
  4. Step 4: Simplify right side
    4,261.12x = 10,646,872.30
  5. Step 5: Solve for x
    x = 10,646,872.30/4,261.12
  6. Step 6: Final answer
    x = 2,498.61

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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.