Home / 8,785.42-13,174.82-2,860.76

Finding the Fourth Proportional to 8,785.42, 13,174.82 and 2,860.76

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Solution

The fourth proportional to 8,785.42, 13,174.82 and 2,860.76 is: 4,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.42 : 13,174.82 = 2,860.76 : x
  2. Step 2: Convert to fraction form
    8,785.42/13,174.82 = 2,860.76/x
  3. Step 3: Cross multiply
    8,785.42x = 13,174.82 × 2,860.76
  4. Step 4: Simplify right side
    8,785.42x = 37,690,027.42
  5. Step 5: Solve for x
    x = 37,690,027.42/8,785.42
  6. Step 6: Final answer
    x = 4,290.06

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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.