Home / 4,012.31-5,538.48-3,020.46

Finding the Fourth Proportional to 4,012.31, 5,538.48 and 3,020.46

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Solution

The fourth proportional to 4,012.31, 5,538.48 and 3,020.46 is: 4,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.31 : 5,538.48 = 3,020.46 : x
  2. Step 2: Convert to fraction form
    4,012.31/5,538.48 = 3,020.46/x
  3. Step 3: Cross multiply
    4,012.31x = 5,538.48 × 3,020.46
  4. Step 4: Simplify right side
    4,012.31x = 16,728,771.94
  5. Step 5: Solve for x
    x = 16,728,771.94/4,012.31
  6. Step 6: Final answer
    x = 4,169.36

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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.