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Finding the Fourth Proportional to 6,905.85, 9,530.02 and 3,762.04

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Solution

The fourth proportional to 6,905.85, 9,530.02 and 3,762.04 is: 5,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.85 : 9,530.02 = 3,762.04 : x
  2. Step 2: Convert to fraction form
    6,905.85/9,530.02 = 3,762.04/x
  3. Step 3: Cross multiply
    6,905.85x = 9,530.02 × 3,762.04
  4. Step 4: Simplify right side
    6,905.85x = 35,852,249.98
  5. Step 5: Solve for x
    x = 35,852,249.98/6,905.85
  6. Step 6: Final answer
    x = 5,191.58

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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.