Home / 4,120.30-6,182.37-1,488.88

Finding the Fourth Proportional to 4,120.30, 6,182.37 and 1,488.88

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Solution

The fourth proportional to 4,120.30, 6,182.37 and 1,488.88 is: 2,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.30 : 6,182.37 = 1,488.88 : x
  2. Step 2: Convert to fraction form
    4,120.30/6,182.37 = 1,488.88/x
  3. Step 3: Cross multiply
    4,120.30x = 6,182.37 × 1,488.88
  4. Step 4: Simplify right side
    4,120.30x = 9,204,791.59
  5. Step 5: Solve for x
    x = 9,204,791.59/4,120.30
  6. Step 6: Final answer
    x = 2,234.01

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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.