Home / 8,190.82-11,302.19-4,605.28

Finding the Fourth Proportional to 8,190.82, 11,302.19 and 4,605.28

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Solution

The fourth proportional to 8,190.82, 11,302.19 and 4,605.28 is: 6,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.82 : 11,302.19 = 4,605.28 : x
  2. Step 2: Convert to fraction form
    8,190.82/11,302.19 = 4,605.28/x
  3. Step 3: Cross multiply
    8,190.82x = 11,302.19 × 4,605.28
  4. Step 4: Simplify right side
    8,190.82x = 52,049,698.28
  5. Step 5: Solve for x
    x = 52,049,698.28/8,190.82
  6. Step 6: Final answer
    x = 6,354.64

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Half 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.