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Finding the Fourth Proportional to 6,458.35, 8,912.53 and 3,625.33

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Solution

The fourth proportional to 6,458.35, 8,912.53 and 3,625.33 is: 5,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.35 : 8,912.53 = 3,625.33 : x
  2. Step 2: Convert to fraction form
    6,458.35/8,912.53 = 3,625.33/x
  3. Step 3: Cross multiply
    6,458.35x = 8,912.53 × 3,625.33
  4. Step 4: Simplify right side
    6,458.35x = 32,310,844.26
  5. Step 5: Solve for x
    x = 32,310,844.26/6,458.35
  6. Step 6: Final answer
    x = 5,002.96

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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.