Home / 8,653.24-12,982.58-2,729.88

Finding the Fourth Proportional to 8,653.24, 12,982.58 and 2,729.88

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Solution

The fourth proportional to 8,653.24, 12,982.58 and 2,729.88 is: 4,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.24 : 12,982.58 = 2,729.88 : x
  2. Step 2: Convert to fraction form
    8,653.24/12,982.58 = 2,729.88/x
  3. Step 3: Cross multiply
    8,653.24x = 12,982.58 × 2,729.88
  4. Step 4: Simplify right side
    8,653.24x = 35,440,885.49
  5. Step 5: Solve for x
    x = 35,440,885.49/8,653.24
  6. Step 6: Final answer
    x = 4,095.68

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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.