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Finding the Fourth Proportional to 8,152.25, 11,250.15 and 4,426.25

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Solution

The fourth proportional to 8,152.25, 11,250.15 and 4,426.25 is: 6,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.25 : 11,250.15 = 4,426.25 : x
  2. Step 2: Convert to fraction form
    8,152.25/11,250.15 = 4,426.25/x
  3. Step 3: Cross multiply
    8,152.25x = 11,250.15 × 4,426.25
  4. Step 4: Simplify right side
    8,152.25x = 49,795,976.44
  5. Step 5: Solve for x
    x = 49,795,976.44/8,152.25
  6. Step 6: Final answer
    x = 6,108.25

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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.