Home / 8,109.56-11,191.91-4,573.46

Finding the Fourth Proportional to 8,109.56, 11,191.91 and 4,573.46

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Solution

The fourth proportional to 8,109.56, 11,191.91 and 4,573.46 is: 6,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.56 : 11,191.91 = 4,573.46 : x
  2. Step 2: Convert to fraction form
    8,109.56/11,191.91 = 4,573.46/x
  3. Step 3: Cross multiply
    8,109.56x = 11,191.91 × 4,573.46
  4. Step 4: Simplify right side
    8,109.56x = 51,185,673.88
  5. Step 5: Solve for x
    x = 51,185,673.88/8,109.56
  6. Step 6: Final answer
    x = 6,311.77

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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.