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Finding the Fourth Proportional to 6,383.88, 8,806.86 and 4,612.68

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Solution

The fourth proportional to 6,383.88, 8,806.86 and 4,612.68 is: 6,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.88 : 8,806.86 = 4,612.68 : x
  2. Step 2: Convert to fraction form
    6,383.88/8,806.86 = 4,612.68/x
  3. Step 3: Cross multiply
    6,383.88x = 8,806.86 × 4,612.68
  4. Step 4: Simplify right side
    6,383.88x = 40,623,226.98
  5. Step 5: Solve for x
    x = 40,623,226.98/6,383.88
  6. Step 6: Final answer
    x = 6,363.41

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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.