Home / 8,012.38-11,057.05-4,427.34

Finding the Fourth Proportional to 8,012.38, 11,057.05 and 4,427.34

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Solution

The fourth proportional to 8,012.38, 11,057.05 and 4,427.34 is: 6,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.38 : 11,057.05 = 4,427.34 : x
  2. Step 2: Convert to fraction form
    8,012.38/11,057.05 = 4,427.34/x
  3. Step 3: Cross multiply
    8,012.38x = 11,057.05 × 4,427.34
  4. Step 4: Simplify right side
    8,012.38x = 48,953,319.75
  5. Step 5: Solve for x
    x = 48,953,319.75/8,012.38
  6. Step 6: Final answer
    x = 6,109.71

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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.