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Finding the Fourth Proportional to 4,640.54, 6,404.46 and 2,651.38

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Solution

The fourth proportional to 4,640.54, 6,404.46 and 2,651.38 is: 3,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.54 : 6,404.46 = 2,651.38 : x
  2. Step 2: Convert to fraction form
    4,640.54/6,404.46 = 2,651.38/x
  3. Step 3: Cross multiply
    4,640.54x = 6,404.46 × 2,651.38
  4. Step 4: Simplify right side
    4,640.54x = 16,980,657.15
  5. Step 5: Solve for x
    x = 16,980,657.15/4,640.54
  6. Step 6: Final answer
    x = 3,659.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.