Home / 6,450.18-8,901.32-3,618.15

Finding the Fourth Proportional to 6,450.18, 8,901.32 and 3,618.15

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Solution

The fourth proportional to 6,450.18, 8,901.32 and 3,618.15 is: 4,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.18 : 8,901.32 = 3,618.15 : x
  2. Step 2: Convert to fraction form
    6,450.18/8,901.32 = 3,618.15/x
  3. Step 3: Cross multiply
    6,450.18x = 8,901.32 × 3,618.15
  4. Step 4: Simplify right side
    6,450.18x = 32,206,310.96
  5. Step 5: Solve for x
    x = 32,206,310.96/6,450.18
  6. Step 6: Final answer
    x = 4,993.09

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Half 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.