Home / 7,975.84-11,956.92-3,042

Finding the Fourth Proportional to 7,975.84, 11,956.92 and 3,042

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Solution

The fourth proportional to 7,975.84, 11,956.92 and 3,042 is: 4,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.84 : 11,956.92 = 3,042 : x
  2. Step 2: Convert to fraction form
    7,975.84/11,956.92 = 3,042/x
  3. Step 3: Cross multiply
    7,975.84x = 11,956.92 × 3,042
  4. Step 4: Simplify right side
    7,975.84x = 36,372,950.64
  5. Step 5: Solve for x
    x = 36,372,950.64/7,975.84
  6. Step 6: Final answer
    x = 4,560.39

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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.