Home / 8,206.50-12,313.98-4,511.64

Finding the Fourth Proportional to 8,206.50, 12,313.98 and 4,511.64

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Solution

The fourth proportional to 8,206.50, 12,313.98 and 4,511.64 is: 6,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.50 : 12,313.98 = 4,511.64 : x
  2. Step 2: Convert to fraction form
    8,206.50/12,313.98 = 4,511.64/x
  3. Step 3: Cross multiply
    8,206.50x = 12,313.98 × 4,511.64
  4. Step 4: Simplify right side
    8,206.50x = 55,556,244.73
  5. Step 5: Solve for x
    x = 55,556,244.73/8,206.50
  6. Step 6: Final answer
    x = 6,769.79

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1.5x scale

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.