Home / 6,450.72-8,901.54-3,617.88

Finding the Fourth Proportional to 6,450.72, 8,901.54 and 3,617.88

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Solution

The fourth proportional to 6,450.72, 8,901.54 and 3,617.88 is: 4,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.72 : 8,901.54 = 3,617.88 : x
  2. Step 2: Convert to fraction form
    6,450.72/8,901.54 = 3,617.88/x
  3. Step 3: Cross multiply
    6,450.72x = 8,901.54 × 3,617.88
  4. Step 4: Simplify right side
    6,450.72x = 32,204,703.54
  5. Step 5: Solve for x
    x = 32,204,703.54/6,450.72
  6. Step 6: Final answer
    x = 4,992.42

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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.