Home / 4,252.29-6,378.82-1,330.52

Finding the Fourth Proportional to 4,252.29, 6,378.82 and 1,330.52

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Solution

The fourth proportional to 4,252.29, 6,378.82 and 1,330.52 is: 1,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.29 : 6,378.82 = 1,330.52 : x
  2. Step 2: Convert to fraction form
    4,252.29/6,378.82 = 1,330.52/x
  3. Step 3: Cross multiply
    4,252.29x = 6,378.82 × 1,330.52
  4. Step 4: Simplify right side
    4,252.29x = 8,487,148.25
  5. Step 5: Solve for x
    x = 8,487,148.25/4,252.29
  6. Step 6: Final answer
    x = 1,995.90

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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.