Home / 8,790.57-13,183.11-2,945.84

Finding the Fourth Proportional to 8,790.57, 13,183.11 and 2,945.84

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Solution

The fourth proportional to 8,790.57, 13,183.11 and 2,945.84 is: 4,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.57 : 13,183.11 = 2,945.84 : x
  2. Step 2: Convert to fraction form
    8,790.57/13,183.11 = 2,945.84/x
  3. Step 3: Cross multiply
    8,790.57x = 13,183.11 × 2,945.84
  4. Step 4: Simplify right side
    8,790.57x = 38,835,266.85
  5. Step 5: Solve for x
    x = 38,835,266.85/8,790.57
  6. Step 6: Final answer
    x = 4,417.83

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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.