Home / 8,154.38-12,225.32-2,604.43

Finding the Fourth Proportional to 8,154.38, 12,225.32 and 2,604.43

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Solution

The fourth proportional to 8,154.38, 12,225.32 and 2,604.43 is: 3,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.38 : 12,225.32 = 2,604.43 : x
  2. Step 2: Convert to fraction form
    8,154.38/12,225.32 = 2,604.43/x
  3. Step 3: Cross multiply
    8,154.38x = 12,225.32 × 2,604.43
  4. Step 4: Simplify right side
    8,154.38x = 31,839,990.17
  5. Step 5: Solve for x
    x = 31,839,990.17/8,154.38
  6. Step 6: Final answer
    x = 3,904.65

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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.