Home / 8,206.44-12,284.55-6,631.80

Finding the Fourth Proportional to 8,206.44, 12,284.55 and 6,631.80

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Solution

The fourth proportional to 8,206.44, 12,284.55 and 6,631.80 is: 9,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.44 : 12,284.55 = 6,631.80 : x
  2. Step 2: Convert to fraction form
    8,206.44/12,284.55 = 6,631.80/x
  3. Step 3: Cross multiply
    8,206.44x = 12,284.55 × 6,631.80
  4. Step 4: Simplify right side
    8,206.44x = 81,468,678.69
  5. Step 5: Solve for x
    x = 81,468,678.69/8,206.44
  6. Step 6: Final answer
    x = 9,927.41

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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.