Home / 7,576.79-11,367.92-3,880.76

Finding the Fourth Proportional to 7,576.79, 11,367.92 and 3,880.76

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Solution

The fourth proportional to 7,576.79, 11,367.92 and 3,880.76 is: 5,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.79 : 11,367.92 = 3,880.76 : x
  2. Step 2: Convert to fraction form
    7,576.79/11,367.92 = 3,880.76/x
  3. Step 3: Cross multiply
    7,576.79x = 11,367.92 × 3,880.76
  4. Step 4: Simplify right side
    7,576.79x = 44,116,092.98
  5. Step 5: Solve for x
    x = 44,116,092.98/7,576.79
  6. Step 6: Final answer
    x = 5,822.53

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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.