Home / 8,205.02-11,325.85-4,847.85

Finding the Fourth Proportional to 8,205.02, 11,325.85 and 4,847.85

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Solution

The fourth proportional to 8,205.02, 11,325.85 and 4,847.85 is: 6,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.02 : 11,325.85 = 4,847.85 : x
  2. Step 2: Convert to fraction form
    8,205.02/11,325.85 = 4,847.85/x
  3. Step 3: Cross multiply
    8,205.02x = 11,325.85 × 4,847.85
  4. Step 4: Simplify right side
    8,205.02x = 54,906,021.92
  5. Step 5: Solve for x
    x = 54,906,021.92/8,205.02
  6. Step 6: Final answer
    x = 6,691.76

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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.