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Finding the Fourth Proportional to 6,333.79, 9,492.40 and 3,405.79

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Solution

The fourth proportional to 6,333.79, 9,492.40 and 3,405.79 is: 5,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,333.79 : 9,492.40 = 3,405.79 : x
  2. Step 2: Convert to fraction form
    6,333.79/9,492.40 = 3,405.79/x
  3. Step 3: Cross multiply
    6,333.79x = 9,492.40 × 3,405.79
  4. Step 4: Simplify right side
    6,333.79x = 32,329,121.00
  5. Step 5: Solve for x
    x = 32,329,121.00/6,333.79
  6. Step 6: Final answer
    x = 5,104.23

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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.