Home / 4,252.28-6,379.70-1,330.61

Finding the Fourth Proportional to 4,252.28, 6,379.70 and 1,330.61

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Solution

The fourth proportional to 4,252.28, 6,379.70 and 1,330.61 is: 1,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.28 : 6,379.70 = 1,330.61 : x
  2. Step 2: Convert to fraction form
    4,252.28/6,379.70 = 1,330.61/x
  3. Step 3: Cross multiply
    4,252.28x = 6,379.70 × 1,330.61
  4. Step 4: Simplify right side
    4,252.28x = 8,488,854.07
  5. Step 5: Solve for x
    x = 8,488,854.07/4,252.28
  6. Step 6: Final answer
    x = 1,996.31

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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.