Home / 4,087.14-6,131.52-1,489.74

Finding the Fourth Proportional to 4,087.14, 6,131.52 and 1,489.74

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Solution

The fourth proportional to 4,087.14, 6,131.52 and 1,489.74 is: 2,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.14 : 6,131.52 = 1,489.74 : x
  2. Step 2: Convert to fraction form
    4,087.14/6,131.52 = 1,489.74/x
  3. Step 3: Cross multiply
    4,087.14x = 6,131.52 × 1,489.74
  4. Step 4: Simplify right side
    4,087.14x = 9,134,370.60
  5. Step 5: Solve for x
    x = 9,134,370.60/4,087.14
  6. Step 6: Final answer
    x = 2,234.91

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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.