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Finding the Fourth Proportional to 6,440.76, 9,651.42 and 5,050.80

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Solution

The fourth proportional to 6,440.76, 9,651.42 and 5,050.80 is: 7,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.76 : 9,651.42 = 5,050.80 : x
  2. Step 2: Convert to fraction form
    6,440.76/9,651.42 = 5,050.80/x
  3. Step 3: Cross multiply
    6,440.76x = 9,651.42 × 5,050.80
  4. Step 4: Simplify right side
    6,440.76x = 48,747,392.14
  5. Step 5: Solve for x
    x = 48,747,392.14/6,440.76
  6. Step 6: Final answer
    x = 7,568.58

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1.5x scale

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.