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Finding the Fourth Proportional to 6,297.47, 8,690.94 and 4,169.34

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Solution

The fourth proportional to 6,297.47, 8,690.94 and 4,169.34 is: 5,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.47 : 8,690.94 = 4,169.34 : x
  2. Step 2: Convert to fraction form
    6,297.47/8,690.94 = 4,169.34/x
  3. Step 3: Cross multiply
    6,297.47x = 8,690.94 × 4,169.34
  4. Step 4: Simplify right side
    6,297.47x = 36,235,483.78
  5. Step 5: Solve for x
    x = 36,235,483.78/6,297.47
  6. Step 6: Final answer
    x = 5,753.97

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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.