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Finding the Fourth Proportional to 6,200.56, 8,556.84 and 3,406

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Solution

The fourth proportional to 6,200.56, 8,556.84 and 3,406 is: 4,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.56 : 8,556.84 = 3,406 : x
  2. Step 2: Convert to fraction form
    6,200.56/8,556.84 = 3,406/x
  3. Step 3: Cross multiply
    6,200.56x = 8,556.84 × 3,406
  4. Step 4: Simplify right side
    6,200.56x = 29,144,597.04
  5. Step 5: Solve for x
    x = 29,144,597.04/6,200.56
  6. Step 6: Final answer
    x = 4,700.32

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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.