Home / 7,311.76-10,966.49-2,381.37

Finding the Fourth Proportional to 7,311.76, 10,966.49 and 2,381.37

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Solution

The fourth proportional to 7,311.76, 10,966.49 and 2,381.37 is: 3,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.76 : 10,966.49 = 2,381.37 : x
  2. Step 2: Convert to fraction form
    7,311.76/10,966.49 = 2,381.37/x
  3. Step 3: Cross multiply
    7,311.76x = 10,966.49 × 2,381.37
  4. Step 4: Simplify right side
    7,311.76x = 26,115,270.29
  5. Step 5: Solve for x
    x = 26,115,270.29/7,311.76
  6. Step 6: Final answer
    x = 3,571.68

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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.