Home / 8,080.68-12,104.10-6,511.80

Finding the Fourth Proportional to 8,080.68, 12,104.10 and 6,511.80

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Solution

The fourth proportional to 8,080.68, 12,104.10 and 6,511.80 is: 9,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.68 : 12,104.10 = 6,511.80 : x
  2. Step 2: Convert to fraction form
    8,080.68/12,104.10 = 6,511.80/x
  3. Step 3: Cross multiply
    8,080.68x = 12,104.10 × 6,511.80
  4. Step 4: Simplify right side
    8,080.68x = 78,819,478.38
  5. Step 5: Solve for x
    x = 78,819,478.38/8,080.68
  6. Step 6: Final answer
    x = 9,754.07

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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.