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Finding the Fourth Proportional to 6,449.96, 8,901.05 and 3,617.96

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Solution

The fourth proportional to 6,449.96, 8,901.05 and 3,617.96 is: 4,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.96 : 8,901.05 = 3,617.96 : x
  2. Step 2: Convert to fraction form
    6,449.96/8,901.05 = 3,617.96/x
  3. Step 3: Cross multiply
    6,449.96x = 8,901.05 × 3,617.96
  4. Step 4: Simplify right side
    6,449.96x = 32,203,647.02
  5. Step 5: Solve for x
    x = 32,203,647.02/6,449.96
  6. Step 6: Final answer
    x = 4,992.85

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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.