Home / 6,450.22-8,900.85-3,617.38

Finding the Fourth Proportional to 6,450.22, 8,900.85 and 3,617.38

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Solution

The fourth proportional to 6,450.22, 8,900.85 and 3,617.38 is: 4,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.22 : 8,900.85 = 3,617.38 : x
  2. Step 2: Convert to fraction form
    6,450.22/8,900.85 = 3,617.38/x
  3. Step 3: Cross multiply
    6,450.22x = 8,900.85 × 3,617.38
  4. Step 4: Simplify right side
    6,450.22x = 32,197,756.77
  5. Step 5: Solve for x
    x = 32,197,756.77/6,450.22
  6. Step 6: Final answer
    x = 4,991.73

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Half scale
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Double scale
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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.