Home / 8,180.82-11,286.97-4,643.35

Finding the Fourth Proportional to 8,180.82, 11,286.97 and 4,643.35

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Solution

The fourth proportional to 8,180.82, 11,286.97 and 4,643.35 is: 6,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.82 : 11,286.97 = 4,643.35 : x
  2. Step 2: Convert to fraction form
    8,180.82/11,286.97 = 4,643.35/x
  3. Step 3: Cross multiply
    8,180.82x = 11,286.97 × 4,643.35
  4. Step 4: Simplify right side
    8,180.82x = 52,409,312.32
  5. Step 5: Solve for x
    x = 52,409,312.32/8,180.82
  6. Step 6: Final answer
    x = 6,406.36

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Half scale
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Double scale
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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.