Home / 8,310.94-12,468.75-3,384.11

Finding the Fourth Proportional to 8,310.94, 12,468.75 and 3,384.11

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Solution

The fourth proportional to 8,310.94, 12,468.75 and 3,384.11 is: 5,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.94 : 12,468.75 = 3,384.11 : x
  2. Step 2: Convert to fraction form
    8,310.94/12,468.75 = 3,384.11/x
  3. Step 3: Cross multiply
    8,310.94x = 12,468.75 × 3,384.11
  4. Step 4: Simplify right side
    8,310.94x = 42,195,652.73
  5. Step 5: Solve for x
    x = 42,195,652.73/8,310.94
  6. Step 6: Final answer
    x = 5,077.12

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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.