Home / 6,240.08-9,360.12-4,286.36

Finding the Fourth Proportional to 6,240.08, 9,360.12 and 4,286.36

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Solution

The fourth proportional to 6,240.08, 9,360.12 and 4,286.36 is: 6,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.08 : 9,360.12 = 4,286.36 : x
  2. Step 2: Convert to fraction form
    6,240.08/9,360.12 = 4,286.36/x
  3. Step 3: Cross multiply
    6,240.08x = 9,360.12 × 4,286.36
  4. Step 4: Simplify right side
    6,240.08x = 40,120,843.96
  5. Step 5: Solve for x
    x = 40,120,843.96/6,240.08
  6. Step 6: Final answer
    x = 6,429.54

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