Home / 8,206.08-12,310.32-3,011.52

Finding the Fourth Proportional to 8,206.08, 12,310.32 and 3,011.52

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Solution

The fourth proportional to 8,206.08, 12,310.32 and 3,011.52 is: 4,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.08 : 12,310.32 = 3,011.52 : x
  2. Step 2: Convert to fraction form
    8,206.08/12,310.32 = 3,011.52/x
  3. Step 3: Cross multiply
    8,206.08x = 12,310.32 × 3,011.52
  4. Step 4: Simplify right side
    8,206.08x = 37,072,774.89
  5. Step 5: Solve for x
    x = 37,072,774.89/8,206.08
  6. Step 6: Final answer
    x = 4,517.72

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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.