Home / 8,079.55-11,150.81-4,543.44

Finding the Fourth Proportional to 8,079.55, 11,150.81 and 4,543.44

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Solution

The fourth proportional to 8,079.55, 11,150.81 and 4,543.44 is: 6,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.55 : 11,150.81 = 4,543.44 : x
  2. Step 2: Convert to fraction form
    8,079.55/11,150.81 = 4,543.44/x
  3. Step 3: Cross multiply
    8,079.55x = 11,150.81 × 4,543.44
  4. Step 4: Simplify right side
    8,079.55x = 50,663,076.97
  5. Step 5: Solve for x
    x = 50,663,076.97/8,079.55
  6. Step 6: Final answer
    x = 6,270.53

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