Home / 5,636.25-7,778.39-3,152.25

Finding the Fourth Proportional to 5,636.25, 7,778.39 and 3,152.25

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Solution

The fourth proportional to 5,636.25, 7,778.39 and 3,152.25 is: 4,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.25 : 7,778.39 = 3,152.25 : x
  2. Step 2: Convert to fraction form
    5,636.25/7,778.39 = 3,152.25/x
  3. Step 3: Cross multiply
    5,636.25x = 7,778.39 × 3,152.25
  4. Step 4: Simplify right side
    5,636.25x = 24,519,414.12
  5. Step 5: Solve for x
    x = 24,519,414.12/5,636.25
  6. Step 6: Final answer
    x = 4,350.31

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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.