Home / 5,548.79-8,323.26-3,099.20

Finding the Fourth Proportional to 5,548.79, 8,323.26 and 3,099.20

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Solution

The fourth proportional to 5,548.79, 8,323.26 and 3,099.20 is: 4,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.79 : 8,323.26 = 3,099.20 : x
  2. Step 2: Convert to fraction form
    5,548.79/8,323.26 = 3,099.20/x
  3. Step 3: Cross multiply
    5,548.79x = 8,323.26 × 3,099.20
  4. Step 4: Simplify right side
    5,548.79x = 25,795,405.78
  5. Step 5: Solve for x
    x = 25,795,405.78/5,548.79
  6. Step 6: Final answer
    x = 4,648.83

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