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Finding the Fourth Proportional to 6,450.71, 8,907.24 and 5,255.87

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Solution

The fourth proportional to 6,450.71, 8,907.24 and 5,255.87 is: 7,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.71 : 8,907.24 = 5,255.87 : x
  2. Step 2: Convert to fraction form
    6,450.71/8,907.24 = 5,255.87/x
  3. Step 3: Cross multiply
    6,450.71x = 8,907.24 × 5,255.87
  4. Step 4: Simplify right side
    6,450.71x = 46,815,250.96
  5. Step 5: Solve for x
    x = 46,815,250.96/6,450.71
  6. Step 6: Final answer
    x = 7,257.39

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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.