Home / 5,415.58-7,472.96-3,057.26

Finding the Fourth Proportional to 5,415.58, 7,472.96 and 3,057.26

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Solution

The fourth proportional to 5,415.58, 7,472.96 and 3,057.26 is: 4,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.58 : 7,472.96 = 3,057.26 : x
  2. Step 2: Convert to fraction form
    5,415.58/7,472.96 = 3,057.26/x
  3. Step 3: Cross multiply
    5,415.58x = 7,472.96 × 3,057.26
  4. Step 4: Simplify right side
    5,415.58x = 22,846,785.09
  5. Step 5: Solve for x
    x = 22,846,785.09/5,415.58
  6. Step 6: Final answer
    x = 4,218.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.