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Finding the Fourth Proportional to 7,651.07, 11,466.88 and 3,493.34

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Solution

The fourth proportional to 7,651.07, 11,466.88 and 3,493.34 is: 5,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.07 : 11,466.88 = 3,493.34 : x
  2. Step 2: Convert to fraction form
    7,651.07/11,466.88 = 3,493.34/x
  3. Step 3: Cross multiply
    7,651.07x = 11,466.88 × 3,493.34
  4. Step 4: Simplify right side
    7,651.07x = 40,057,644.51
  5. Step 5: Solve for x
    x = 40,057,644.51/7,651.07
  6. Step 6: Final answer
    x = 5,235.56

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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.