Home / 7,245-9,998.64-4,451.04

Finding the Fourth Proportional to 7,245, 9,998.64 and 4,451.04

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Solution

The fourth proportional to 7,245, 9,998.64 and 4,451.04 is: 6,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245 : 9,998.64 = 4,451.04 : x
  2. Step 2: Convert to fraction form
    7,245/9,998.64 = 4,451.04/x
  3. Step 3: Cross multiply
    7,245x = 9,998.64 × 4,451.04
  4. Step 4: Simplify right side
    7,245x = 44,504,346.59
  5. Step 5: Solve for x
    x = 44,504,346.59/7,245
  6. Step 6: Final answer
    x = 6,142.77

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Half scale
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Double scale
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Similar ratio
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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.