Home / 4,246.25-6,371.85-1,780.88

Finding the Fourth Proportional to 4,246.25, 6,371.85 and 1,780.88

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Solution

The fourth proportional to 4,246.25, 6,371.85 and 1,780.88 is: 2,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.25 : 6,371.85 = 1,780.88 : x
  2. Step 2: Convert to fraction form
    4,246.25/6,371.85 = 1,780.88/x
  3. Step 3: Cross multiply
    4,246.25x = 6,371.85 × 1,780.88
  4. Step 4: Simplify right side
    4,246.25x = 11,347,468.37
  5. Step 5: Solve for x
    x = 11,347,468.37/4,246.25
  6. Step 6: Final answer
    x = 2,672.35

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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.