Home / 8,109.42-11,190.68-4,573.38

Finding the Fourth Proportional to 8,109.42, 11,190.68 and 4,573.38

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Solution

The fourth proportional to 8,109.42, 11,190.68 and 4,573.38 is: 6,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.42 : 11,190.68 = 4,573.38 : x
  2. Step 2: Convert to fraction form
    8,109.42/11,190.68 = 4,573.38/x
  3. Step 3: Cross multiply
    8,109.42x = 11,190.68 × 4,573.38
  4. Step 4: Simplify right side
    8,109.42x = 51,179,232.10
  5. Step 5: Solve for x
    x = 51,179,232.10/8,109.42
  6. Step 6: Final answer
    x = 6,311.08

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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.