Home / 7,956.43-11,935.94-2,691.76

Finding the Fourth Proportional to 7,956.43, 11,935.94 and 2,691.76

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Solution

The fourth proportional to 7,956.43, 11,935.94 and 2,691.76 is: 4,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.43 : 11,935.94 = 2,691.76 : x
  2. Step 2: Convert to fraction form
    7,956.43/11,935.94 = 2,691.76/x
  3. Step 3: Cross multiply
    7,956.43x = 11,935.94 × 2,691.76
  4. Step 4: Simplify right side
    7,956.43x = 32,128,687.32
  5. Step 5: Solve for x
    x = 32,128,687.32/7,956.43
  6. Step 6: Final answer
    x = 4,038.08

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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.