Home / 5,919.20-8,163.48-3,560.90

Finding the Fourth Proportional to 5,919.20, 8,163.48 and 3,560.90

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Solution

The fourth proportional to 5,919.20, 8,163.48 and 3,560.90 is: 4,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.20 : 8,163.48 = 3,560.90 : x
  2. Step 2: Convert to fraction form
    5,919.20/8,163.48 = 3,560.90/x
  3. Step 3: Cross multiply
    5,919.20x = 8,163.48 × 3,560.90
  4. Step 4: Simplify right side
    5,919.20x = 29,069,335.93
  5. Step 5: Solve for x
    x = 29,069,335.93/5,919.20
  6. Step 6: Final answer
    x = 4,911.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.