Home / 5,099.16-7,645.43-2,757.69

Finding the Fourth Proportional to 5,099.16, 7,645.43 and 2,757.69

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Solution

The fourth proportional to 5,099.16, 7,645.43 and 2,757.69 is: 4,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.16 : 7,645.43 = 2,757.69 : x
  2. Step 2: Convert to fraction form
    5,099.16/7,645.43 = 2,757.69/x
  3. Step 3: Cross multiply
    5,099.16x = 7,645.43 × 2,757.69
  4. Step 4: Simplify right side
    5,099.16x = 21,083,732.75
  5. Step 5: Solve for x
    x = 21,083,732.75/5,099.16
  6. Step 6: Final answer
    x = 4,134.75

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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.