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Finding the Fourth Proportional to 6,454.07, 8,907.11 and 3,621.44

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Solution

The fourth proportional to 6,454.07, 8,907.11 and 3,621.44 is: 4,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.07 : 8,907.11 = 3,621.44 : x
  2. Step 2: Convert to fraction form
    6,454.07/8,907.11 = 3,621.44/x
  3. Step 3: Cross multiply
    6,454.07x = 8,907.11 × 3,621.44
  4. Step 4: Simplify right side
    6,454.07x = 32,256,501.80
  5. Step 5: Solve for x
    x = 32,256,501.80/6,454.07
  6. Step 6: Final answer
    x = 4,997.86

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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.