Home / 4,001.56-5,520.40-3,816.27

Finding the Fourth Proportional to 4,001.56, 5,520.40 and 3,816.27

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Solution

The fourth proportional to 4,001.56, 5,520.40 and 3,816.27 is: 5,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.56 : 5,520.40 = 3,816.27 : x
  2. Step 2: Convert to fraction form
    4,001.56/5,520.40 = 3,816.27/x
  3. Step 3: Cross multiply
    4,001.56x = 5,520.40 × 3,816.27
  4. Step 4: Simplify right side
    4,001.56x = 21,067,336.91
  5. Step 5: Solve for x
    x = 21,067,336.91/4,001.56
  6. Step 6: Final answer
    x = 5,264.78

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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.