Home / 4,165.72-6,252.92-2,788.68

Finding the Fourth Proportional to 4,165.72, 6,252.92 and 2,788.68

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Solution

The fourth proportional to 4,165.72, 6,252.92 and 2,788.68 is: 4,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.72 : 6,252.92 = 2,788.68 : x
  2. Step 2: Convert to fraction form
    4,165.72/6,252.92 = 2,788.68/x
  3. Step 3: Cross multiply
    4,165.72x = 6,252.92 × 2,788.68
  4. Step 4: Simplify right side
    4,165.72x = 17,437,392.95
  5. Step 5: Solve for x
    x = 17,437,392.95/4,165.72
  6. Step 6: Final answer
    x = 4,185.93

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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.