Home / 7,943.76-11,914.18-3,011.77

Finding the Fourth Proportional to 7,943.76, 11,914.18 and 3,011.77

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Solution

The fourth proportional to 7,943.76, 11,914.18 and 3,011.77 is: 4,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.76 : 11,914.18 = 3,011.77 : x
  2. Step 2: Convert to fraction form
    7,943.76/11,914.18 = 3,011.77/x
  3. Step 3: Cross multiply
    7,943.76x = 11,914.18 × 3,011.77
  4. Step 4: Simplify right side
    7,943.76x = 35,882,769.90
  5. Step 5: Solve for x
    x = 35,882,769.90/7,943.76
  6. Step 6: Final answer
    x = 4,517.10

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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.