Home / 8,171.92-11,263.54-6,257.08

Finding the Fourth Proportional to 8,171.92, 11,263.54 and 6,257.08

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Solution

The fourth proportional to 8,171.92, 11,263.54 and 6,257.08 is: 8,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.92 : 11,263.54 = 6,257.08 : x
  2. Step 2: Convert to fraction form
    8,171.92/11,263.54 = 6,257.08/x
  3. Step 3: Cross multiply
    8,171.92x = 11,263.54 × 6,257.08
  4. Step 4: Simplify right side
    8,171.92x = 70,476,783.26
  5. Step 5: Solve for x
    x = 70,476,783.26/8,171.92
  6. Step 6: Final answer
    x = 8,624.27

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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.