Home / 8,182.83-11,290.89-4,645.35

Finding the Fourth Proportional to 8,182.83, 11,290.89 and 4,645.35

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Solution

The fourth proportional to 8,182.83, 11,290.89 and 4,645.35 is: 6,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.83 : 11,290.89 = 4,645.35 : x
  2. Step 2: Convert to fraction form
    8,182.83/11,290.89 = 4,645.35/x
  3. Step 3: Cross multiply
    8,182.83x = 11,290.89 × 4,645.35
  4. Step 4: Simplify right side
    8,182.83x = 52,450,135.86
  5. Step 5: Solve for x
    x = 52,450,135.86/8,182.83
  6. Step 6: Final answer
    x = 6,409.78

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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.