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Finding the Fourth Proportional to 6,120.79, 8,446 and 3,467.63

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Solution

The fourth proportional to 6,120.79, 8,446 and 3,467.63 is: 4,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.79 : 8,446 = 3,467.63 : x
  2. Step 2: Convert to fraction form
    6,120.79/8,446 = 3,467.63/x
  3. Step 3: Cross multiply
    6,120.79x = 8,446 × 3,467.63
  4. Step 4: Simplify right side
    6,120.79x = 29,287,602.98
  5. Step 5: Solve for x
    x = 29,287,602.98/6,120.79
  6. Step 6: Final answer
    x = 4,784.94

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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.