Home / 4,915.26-7,372.35-1,628.55

Finding the Fourth Proportional to 4,915.26, 7,372.35 and 1,628.55

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Solution

The fourth proportional to 4,915.26, 7,372.35 and 1,628.55 is: 2,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.26 : 7,372.35 = 1,628.55 : x
  2. Step 2: Convert to fraction form
    4,915.26/7,372.35 = 1,628.55/x
  3. Step 3: Cross multiply
    4,915.26x = 7,372.35 × 1,628.55
  4. Step 4: Simplify right side
    4,915.26x = 12,006,240.59
  5. Step 5: Solve for x
    x = 12,006,240.59/4,915.26
  6. Step 6: Final answer
    x = 2,442.65

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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.