Home / 4,640.42-6,951.35-2,790.53

Finding the Fourth Proportional to 4,640.42, 6,951.35 and 2,790.53

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Solution

The fourth proportional to 4,640.42, 6,951.35 and 2,790.53 is: 4,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.42 : 6,951.35 = 2,790.53 : x
  2. Step 2: Convert to fraction form
    4,640.42/6,951.35 = 2,790.53/x
  3. Step 3: Cross multiply
    4,640.42x = 6,951.35 × 2,790.53
  4. Step 4: Simplify right side
    4,640.42x = 19,397,915.96
  5. Step 5: Solve for x
    x = 19,397,915.96/4,640.42
  6. Step 6: Final answer
    x = 4,180.21

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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.