Home / 8,299.80-12,451.05-3,106.08

Finding the Fourth Proportional to 8,299.80, 12,451.05 and 3,106.08

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Solution

The fourth proportional to 8,299.80, 12,451.05 and 3,106.08 is: 4,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.80 : 12,451.05 = 3,106.08 : x
  2. Step 2: Convert to fraction form
    8,299.80/12,451.05 = 3,106.08/x
  3. Step 3: Cross multiply
    8,299.80x = 12,451.05 × 3,106.08
  4. Step 4: Simplify right side
    8,299.80x = 38,673,957.38
  5. Step 5: Solve for x
    x = 38,673,957.38/8,299.80
  6. Step 6: Final answer
    x = 4,659.63

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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.