Home / 4,915.85-7,371.27-1,627.76

Finding the Fourth Proportional to 4,915.85, 7,371.27 and 1,627.76

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Solution

The fourth proportional to 4,915.85, 7,371.27 and 1,627.76 is: 2,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.85 : 7,371.27 = 1,627.76 : x
  2. Step 2: Convert to fraction form
    4,915.85/7,371.27 = 1,627.76/x
  3. Step 3: Cross multiply
    4,915.85x = 7,371.27 × 1,627.76
  4. Step 4: Simplify right side
    4,915.85x = 11,998,658.46
  5. Step 5: Solve for x
    x = 11,998,658.46/4,915.85
  6. Step 6: Final answer
    x = 2,440.81

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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.