Home / 8,504.16-12,758.40-2,660.88

Finding the Fourth Proportional to 8,504.16, 12,758.40 and 2,660.88

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Solution

The fourth proportional to 8,504.16, 12,758.40 and 2,660.88 is: 3,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.16 : 12,758.40 = 2,660.88 : x
  2. Step 2: Convert to fraction form
    8,504.16/12,758.40 = 2,660.88/x
  3. Step 3: Cross multiply
    8,504.16x = 12,758.40 × 2,660.88
  4. Step 4: Simplify right side
    8,504.16x = 33,948,571.39
  5. Step 5: Solve for x
    x = 33,948,571.39/8,504.16
  6. Step 6: Final answer
    x = 3,992.00

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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.