Home / 7,836.07-11,753.79-3,154.72

Finding the Fourth Proportional to 7,836.07, 11,753.79 and 3,154.72

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Solution

The fourth proportional to 7,836.07, 11,753.79 and 3,154.72 is: 4,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.07 : 11,753.79 = 3,154.72 : x
  2. Step 2: Convert to fraction form
    7,836.07/11,753.79 = 3,154.72/x
  3. Step 3: Cross multiply
    7,836.07x = 11,753.79 × 3,154.72
  4. Step 4: Simplify right side
    7,836.07x = 37,079,916.39
  5. Step 5: Solve for x
    x = 37,079,916.39/7,836.07
  6. Step 6: Final answer
    x = 4,731.95

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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.