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Finding the Fourth Proportional to 6,642.66, 9,955.26 and 3,353.94

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Solution

The fourth proportional to 6,642.66, 9,955.26 and 3,353.94 is: 5,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.66 : 9,955.26 = 3,353.94 : x
  2. Step 2: Convert to fraction form
    6,642.66/9,955.26 = 3,353.94/x
  3. Step 3: Cross multiply
    6,642.66x = 9,955.26 × 3,353.94
  4. Step 4: Simplify right side
    6,642.66x = 33,389,344.72
  5. Step 5: Solve for x
    x = 33,389,344.72/6,642.66
  6. Step 6: Final answer
    x = 5,026.50

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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.