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Finding the Fourth Proportional to 6,200.16, 8,556.08 and 3,405.60

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Solution

The fourth proportional to 6,200.16, 8,556.08 and 3,405.60 is: 4,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.16 : 8,556.08 = 3,405.60 : x
  2. Step 2: Convert to fraction form
    6,200.16/8,556.08 = 3,405.60/x
  3. Step 3: Cross multiply
    6,200.16x = 8,556.08 × 3,405.60
  4. Step 4: Simplify right side
    6,200.16x = 29,138,586.05
  5. Step 5: Solve for x
    x = 29,138,586.05/6,200.16
  6. Step 6: Final answer
    x = 4,699.65

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1.5x scale

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.