Home / 7,956.84-11,941.56-3,517.92

Finding the Fourth Proportional to 7,956.84, 11,941.56 and 3,517.92

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Solution

The fourth proportional to 7,956.84, 11,941.56 and 3,517.92 is: 5,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.84 : 11,941.56 = 3,517.92 : x
  2. Step 2: Convert to fraction form
    7,956.84/11,941.56 = 3,517.92/x
  3. Step 3: Cross multiply
    7,956.84x = 11,941.56 × 3,517.92
  4. Step 4: Simplify right side
    7,956.84x = 42,009,452.76
  5. Step 5: Solve for x
    x = 42,009,452.76/7,956.84
  6. Step 6: Final answer
    x = 5,279.67

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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.