Home / 8,165.60-12,252.99-3,485.11

Finding the Fourth Proportional to 8,165.60, 12,252.99 and 3,485.11

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Solution

The fourth proportional to 8,165.60, 12,252.99 and 3,485.11 is: 5,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.60 : 12,252.99 = 3,485.11 : x
  2. Step 2: Convert to fraction form
    8,165.60/12,252.99 = 3,485.11/x
  3. Step 3: Cross multiply
    8,165.60x = 12,252.99 × 3,485.11
  4. Step 4: Simplify right side
    8,165.60x = 42,703,017.98
  5. Step 5: Solve for x
    x = 42,703,017.98/8,165.60
  6. Step 6: Final answer
    x = 5,229.62

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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.