Home / 7,439.72-11,163.83-2,999.41

Finding the Fourth Proportional to 7,439.72, 11,163.83 and 2,999.41

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Solution

The fourth proportional to 7,439.72, 11,163.83 and 2,999.41 is: 4,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.72 : 11,163.83 = 2,999.41 : x
  2. Step 2: Convert to fraction form
    7,439.72/11,163.83 = 2,999.41/x
  3. Step 3: Cross multiply
    7,439.72x = 11,163.83 × 2,999.41
  4. Step 4: Simplify right side
    7,439.72x = 33,484,903.34
  5. Step 5: Solve for x
    x = 33,484,903.34/7,439.72
  6. Step 6: Final answer
    x = 4,500.83

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.