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Finding the Fourth Proportional to 6,200.71, 8,556.99 and 3,368.08

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Solution

The fourth proportional to 6,200.71, 8,556.99 and 3,368.08 is: 4,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.71 : 8,556.99 = 3,368.08 : x
  2. Step 2: Convert to fraction form
    6,200.71/8,556.99 = 3,368.08/x
  3. Step 3: Cross multiply
    6,200.71x = 8,556.99 × 3,368.08
  4. Step 4: Simplify right side
    6,200.71x = 28,820,626.88
  5. Step 5: Solve for x
    x = 28,820,626.88/6,200.71
  6. Step 6: Final answer
    x = 4,647.96

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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.