Home / 6,915.68-10,371.24-2,756.72

Finding the Fourth Proportional to 6,915.68, 10,371.24 and 2,756.72

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Solution

The fourth proportional to 6,915.68, 10,371.24 and 2,756.72 is: 4,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.68 : 10,371.24 = 2,756.72 : x
  2. Step 2: Convert to fraction form
    6,915.68/10,371.24 = 2,756.72/x
  3. Step 3: Cross multiply
    6,915.68x = 10,371.24 × 2,756.72
  4. Step 4: Simplify right side
    6,915.68x = 28,590,604.73
  5. Step 5: Solve for x
    x = 28,590,604.73/6,915.68
  6. Step 6: Final answer
    x = 4,134.17

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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.