Home / 7,972.50-11,956.80-2,707.38

Finding the Fourth Proportional to 7,972.50, 11,956.80 and 2,707.38

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Solution

The fourth proportional to 7,972.50, 11,956.80 and 2,707.38 is: 4,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.50 : 11,956.80 = 2,707.38 : x
  2. Step 2: Convert to fraction form
    7,972.50/11,956.80 = 2,707.38/x
  3. Step 3: Cross multiply
    7,972.50x = 11,956.80 × 2,707.38
  4. Step 4: Simplify right side
    7,972.50x = 32,371,601.18
  5. Step 5: Solve for x
    x = 32,371,601.18/7,972.50
  6. Step 6: Final answer
    x = 4,060.41

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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.