Home / 5,099.92-7,650.38-1,812.25

Finding the Fourth Proportional to 5,099.92, 7,650.38 and 1,812.25

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Solution

The fourth proportional to 5,099.92, 7,650.38 and 1,812.25 is: 2,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.92 : 7,650.38 = 1,812.25 : x
  2. Step 2: Convert to fraction form
    5,099.92/7,650.38 = 1,812.25/x
  3. Step 3: Cross multiply
    5,099.92x = 7,650.38 × 1,812.25
  4. Step 4: Simplify right side
    5,099.92x = 13,864,401.16
  5. Step 5: Solve for x
    x = 13,864,401.16/5,099.92
  6. Step 6: Final answer
    x = 2,718.55

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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.