Home / 8,180.26-11,288.25-4,644.58

Finding the Fourth Proportional to 8,180.26, 11,288.25 and 4,644.58

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Solution

The fourth proportional to 8,180.26, 11,288.25 and 4,644.58 is: 6,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.26 : 11,288.25 = 4,644.58 : x
  2. Step 2: Convert to fraction form
    8,180.26/11,288.25 = 4,644.58/x
  3. Step 3: Cross multiply
    8,180.26x = 11,288.25 × 4,644.58
  4. Step 4: Simplify right side
    8,180.26x = 52,429,180.19
  5. Step 5: Solve for x
    x = 52,429,180.19/8,180.26
  6. Step 6: Final answer
    x = 6,409.23

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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.