Home / 8,252.32-12,369.84-3,320.80

Finding the Fourth Proportional to 8,252.32, 12,369.84 and 3,320.80

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Solution

The fourth proportional to 8,252.32, 12,369.84 and 3,320.80 is: 4,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.32 : 12,369.84 = 3,320.80 : x
  2. Step 2: Convert to fraction form
    8,252.32/12,369.84 = 3,320.80/x
  3. Step 3: Cross multiply
    8,252.32x = 12,369.84 × 3,320.80
  4. Step 4: Simplify right side
    8,252.32x = 41,077,764.67
  5. Step 5: Solve for x
    x = 41,077,764.67/8,252.32
  6. Step 6: Final answer
    x = 4,977.72

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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.