Home / 8,163.60-12,249.45-4,656.30

Finding the Fourth Proportional to 8,163.60, 12,249.45 and 4,656.30

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Solution

The fourth proportional to 8,163.60, 12,249.45 and 4,656.30 is: 6,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.60 : 12,249.45 = 4,656.30 : x
  2. Step 2: Convert to fraction form
    8,163.60/12,249.45 = 4,656.30/x
  3. Step 3: Cross multiply
    8,163.60x = 12,249.45 × 4,656.30
  4. Step 4: Simplify right side
    8,163.60x = 57,037,114.04
  5. Step 5: Solve for x
    x = 57,037,114.04/8,163.60
  6. Step 6: Final answer
    x = 6,986.76

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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.