Home / 8,285.11-12,429.88-3,606.12

Finding the Fourth Proportional to 8,285.11, 12,429.88 and 3,606.12

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Solution

The fourth proportional to 8,285.11, 12,429.88 and 3,606.12 is: 5,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.11 : 12,429.88 = 3,606.12 : x
  2. Step 2: Convert to fraction form
    8,285.11/12,429.88 = 3,606.12/x
  3. Step 3: Cross multiply
    8,285.11x = 12,429.88 × 3,606.12
  4. Step 4: Simplify right side
    8,285.11x = 44,823,638.87
  5. Step 5: Solve for x
    x = 44,823,638.87/8,285.11
  6. Step 6: Final answer
    x = 5,410.14

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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.