Home / 8,145.39-11,245.70-6,253.37

Finding the Fourth Proportional to 8,145.39, 11,245.70 and 6,253.37

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Solution

The fourth proportional to 8,145.39, 11,245.70 and 6,253.37 is: 8,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.39 : 11,245.70 = 6,253.37 : x
  2. Step 2: Convert to fraction form
    8,145.39/11,245.70 = 6,253.37/x
  3. Step 3: Cross multiply
    8,145.39x = 11,245.70 × 6,253.37
  4. Step 4: Simplify right side
    8,145.39x = 70,323,524.59
  5. Step 5: Solve for x
    x = 70,323,524.59/8,145.39
  6. Step 6: Final answer
    x = 8,633.53

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Half scale
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Double scale
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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.