Home / 7,646.37-11,469.57-2,099.79

Finding the Fourth Proportional to 7,646.37, 11,469.57 and 2,099.79

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Solution

The fourth proportional to 7,646.37, 11,469.57 and 2,099.79 is: 3,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.37 : 11,469.57 = 2,099.79 : x
  2. Step 2: Convert to fraction form
    7,646.37/11,469.57 = 2,099.79/x
  3. Step 3: Cross multiply
    7,646.37x = 11,469.57 × 2,099.79
  4. Step 4: Simplify right side
    7,646.37x = 24,083,688.39
  5. Step 5: Solve for x
    x = 24,083,688.39/7,646.37
  6. Step 6: Final answer
    x = 3,149.69

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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.