Home / 8,311.06-12,468.94-3,384.24

Finding the Fourth Proportional to 8,311.06, 12,468.94 and 3,384.24

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Solution

The fourth proportional to 8,311.06, 12,468.94 and 3,384.24 is: 5,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.06 : 12,468.94 = 3,384.24 : x
  2. Step 2: Convert to fraction form
    8,311.06/12,468.94 = 3,384.24/x
  3. Step 3: Cross multiply
    8,311.06x = 12,468.94 × 3,384.24
  4. Step 4: Simplify right side
    8,311.06x = 42,197,806.24
  5. Step 5: Solve for x
    x = 42,197,806.24/8,311.06
  6. Step 6: Final answer
    x = 5,077.31

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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.