Home / 7,252.21-10,874.88-2,811.95

Finding the Fourth Proportional to 7,252.21, 10,874.88 and 2,811.95

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Solution

The fourth proportional to 7,252.21, 10,874.88 and 2,811.95 is: 4,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252.21 : 10,874.88 = 2,811.95 : x
  2. Step 2: Convert to fraction form
    7,252.21/10,874.88 = 2,811.95/x
  3. Step 3: Cross multiply
    7,252.21x = 10,874.88 × 2,811.95
  4. Step 4: Simplify right side
    7,252.21x = 30,579,618.82
  5. Step 5: Solve for x
    x = 30,579,618.82/7,252.21
  6. Step 6: Final answer
    x = 4,216.59

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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.