Home / 6,775.50-10,163.22-2,391.90

Finding the Fourth Proportional to 6,775.50, 10,163.22 and 2,391.90

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Solution

The fourth proportional to 6,775.50, 10,163.22 and 2,391.90 is: 3,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.50 : 10,163.22 = 2,391.90 : x
  2. Step 2: Convert to fraction form
    6,775.50/10,163.22 = 2,391.90/x
  3. Step 3: Cross multiply
    6,775.50x = 10,163.22 × 2,391.90
  4. Step 4: Simplify right side
    6,775.50x = 24,309,405.92
  5. Step 5: Solve for x
    x = 24,309,405.92/6,775.50
  6. Step 6: Final answer
    x = 3,587.84

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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.