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Finding the Fourth Proportional to 6,200.41, 8,556.63 and 3,405.91

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Solution

The fourth proportional to 6,200.41, 8,556.63 and 3,405.91 is: 4,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.41 : 8,556.63 = 3,405.91 : x
  2. Step 2: Convert to fraction form
    6,200.41/8,556.63 = 3,405.91/x
  3. Step 3: Cross multiply
    6,200.41x = 8,556.63 × 3,405.91
  4. Step 4: Simplify right side
    6,200.41x = 29,143,111.68
  5. Step 5: Solve for x
    x = 29,143,111.68/6,200.41
  6. Step 6: Final answer
    x = 4,700.19

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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.