Home / 7,646.31-11,469.48-2,099.72

Finding the Fourth Proportional to 7,646.31, 11,469.48 and 2,099.72

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Solution

The fourth proportional to 7,646.31, 11,469.48 and 2,099.72 is: 3,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.31 : 11,469.48 = 2,099.72 : x
  2. Step 2: Convert to fraction form
    7,646.31/11,469.48 = 2,099.72/x
  3. Step 3: Cross multiply
    7,646.31x = 11,469.48 × 2,099.72
  4. Step 4: Simplify right side
    7,646.31x = 24,082,717.35
  5. Step 5: Solve for x
    x = 24,082,717.35/7,646.31
  6. Step 6: Final answer
    x = 3,149.59

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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.