Home / 5,099.36-7,632.62-2,630.78

Finding the Fourth Proportional to 5,099.36, 7,632.62 and 2,630.78

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Solution

The fourth proportional to 5,099.36, 7,632.62 and 2,630.78 is: 3,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.36 : 7,632.62 = 2,630.78 : x
  2. Step 2: Convert to fraction form
    5,099.36/7,632.62 = 2,630.78/x
  3. Step 3: Cross multiply
    5,099.36x = 7,632.62 × 2,630.78
  4. Step 4: Simplify right side
    5,099.36x = 20,079,692.73
  5. Step 5: Solve for x
    x = 20,079,692.73/5,099.36
  6. Step 6: Final answer
    x = 3,937.69

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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.