Home / 8,227.46-12,342.22-2,679.32

Finding the Fourth Proportional to 8,227.46, 12,342.22 and 2,679.32

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Solution

The fourth proportional to 8,227.46, 12,342.22 and 2,679.32 is: 4,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.46 : 12,342.22 = 2,679.32 : x
  2. Step 2: Convert to fraction form
    8,227.46/12,342.22 = 2,679.32/x
  3. Step 3: Cross multiply
    8,227.46x = 12,342.22 × 2,679.32
  4. Step 4: Simplify right side
    8,227.46x = 33,068,709.34
  5. Step 5: Solve for x
    x = 33,068,709.34/8,227.46
  6. Step 6: Final answer
    x = 4,019.31

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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.