Home / 8,208.56-12,287.37-6,635.44

Finding the Fourth Proportional to 8,208.56, 12,287.37 and 6,635.44

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Solution

The fourth proportional to 8,208.56, 12,287.37 and 6,635.44 is: 9,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.56 : 12,287.37 = 6,635.44 : x
  2. Step 2: Convert to fraction form
    8,208.56/12,287.37 = 6,635.44/x
  3. Step 3: Cross multiply
    8,208.56x = 12,287.37 × 6,635.44
  4. Step 4: Simplify right side
    8,208.56x = 81,532,106.39
  5. Step 5: Solve for x
    x = 81,532,106.39/8,208.56
  6. Step 6: Final answer
    x = 9,932.57

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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.