Home / 8,180.22-11,288.97-4,643.58

Finding the Fourth Proportional to 8,180.22, 11,288.97 and 4,643.58

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Solution

The fourth proportional to 8,180.22, 11,288.97 and 4,643.58 is: 6,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.22 : 11,288.97 = 4,643.58 : x
  2. Step 2: Convert to fraction form
    8,180.22/11,288.97 = 4,643.58/x
  3. Step 3: Cross multiply
    8,180.22x = 11,288.97 × 4,643.58
  4. Step 4: Simplify right side
    8,180.22x = 52,421,235.31
  5. Step 5: Solve for x
    x = 52,421,235.31/8,180.22
  6. Step 6: Final answer
    x = 6,408.29

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Half scale
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Double scale
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Similar ratio
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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.