Home / 6,743.39-10,115.08-3,815.64

Finding the Fourth Proportional to 6,743.39, 10,115.08 and 3,815.64

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Solution

The fourth proportional to 6,743.39, 10,115.08 and 3,815.64 is: 5,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.39 : 10,115.08 = 3,815.64 : x
  2. Step 2: Convert to fraction form
    6,743.39/10,115.08 = 3,815.64/x
  3. Step 3: Cross multiply
    6,743.39x = 10,115.08 × 3,815.64
  4. Step 4: Simplify right side
    6,743.39x = 38,595,494.31
  5. Step 5: Solve for x
    x = 38,595,494.31/6,743.39
  6. Step 6: Final answer
    x = 5,723.46

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.