Home / 7,481.53-11,222.31-3,099.09

Finding the Fourth Proportional to 7,481.53, 11,222.31 and 3,099.09

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Solution

The fourth proportional to 7,481.53, 11,222.31 and 3,099.09 is: 4,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.53 : 11,222.31 = 3,099.09 : x
  2. Step 2: Convert to fraction form
    7,481.53/11,222.31 = 3,099.09/x
  3. Step 3: Cross multiply
    7,481.53x = 11,222.31 × 3,099.09
  4. Step 4: Simplify right side
    7,481.53x = 34,779,002.40
  5. Step 5: Solve for x
    x = 34,779,002.40/7,481.53
  6. Step 6: Final answer
    x = 4,648.65

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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.