Home / 8,586.21-12,882.12-3,660.03

Finding the Fourth Proportional to 8,586.21, 12,882.12 and 3,660.03

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Solution

The fourth proportional to 8,586.21, 12,882.12 and 3,660.03 is: 5,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.21 : 12,882.12 = 3,660.03 : x
  2. Step 2: Convert to fraction form
    8,586.21/12,882.12 = 3,660.03/x
  3. Step 3: Cross multiply
    8,586.21x = 12,882.12 × 3,660.03
  4. Step 4: Simplify right side
    8,586.21x = 47,148,945.66
  5. Step 5: Solve for x
    x = 47,148,945.66/8,586.21
  6. Step 6: Final answer
    x = 5,491.24

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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.