Home / 8,204.08-12,304.80-2,938.11

Finding the Fourth Proportional to 8,204.08, 12,304.80 and 2,938.11

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Solution

The fourth proportional to 8,204.08, 12,304.80 and 2,938.11 is: 4,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.08 : 12,304.80 = 2,938.11 : x
  2. Step 2: Convert to fraction form
    8,204.08/12,304.80 = 2,938.11/x
  3. Step 3: Cross multiply
    8,204.08x = 12,304.80 × 2,938.11
  4. Step 4: Simplify right side
    8,204.08x = 36,152,855.93
  5. Step 5: Solve for x
    x = 36,152,855.93/8,204.08
  6. Step 6: Final answer
    x = 4,406.69

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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.