Home / 8,785.80-13,177.24-3,854.12

Finding the Fourth Proportional to 8,785.80, 13,177.24 and 3,854.12

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Solution

The fourth proportional to 8,785.80, 13,177.24 and 3,854.12 is: 5,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.80 : 13,177.24 = 3,854.12 : x
  2. Step 2: Convert to fraction form
    8,785.80/13,177.24 = 3,854.12/x
  3. Step 3: Cross multiply
    8,785.80x = 13,177.24 × 3,854.12
  4. Step 4: Simplify right side
    8,785.80x = 50,786,638.12
  5. Step 5: Solve for x
    x = 50,786,638.12/8,785.80
  6. Step 6: Final answer
    x = 5,780.53

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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.