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Finding the Fourth Proportional to 6,642.00, 9,165.85 and 3,658.11

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Solution

The fourth proportional to 6,642.00, 9,165.85 and 3,658.11 is: 5,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.00 : 9,165.85 = 3,658.11 : x
  2. Step 2: Convert to fraction form
    6,642.00/9,165.85 = 3,658.11/x
  3. Step 3: Cross multiply
    6,642.00x = 9,165.85 × 3,658.11
  4. Step 4: Simplify right side
    6,642.00x = 33,529,741.94
  5. Step 5: Solve for x
    x = 33,529,741.94/6,642.00
  6. Step 6: Final answer
    x = 5,048.14

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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.