Home / 8,198.72-11,314.76-4,662.32

Finding the Fourth Proportional to 8,198.72, 11,314.76 and 4,662.32

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Solution

The fourth proportional to 8,198.72, 11,314.76 and 4,662.32 is: 6,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.72 : 11,314.76 = 4,662.32 : x
  2. Step 2: Convert to fraction form
    8,198.72/11,314.76 = 4,662.32/x
  3. Step 3: Cross multiply
    8,198.72x = 11,314.76 × 4,662.32
  4. Step 4: Simplify right side
    8,198.72x = 52,753,031.84
  5. Step 5: Solve for x
    x = 52,753,031.84/8,198.72
  6. Step 6: Final answer
    x = 6,434.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.