Home / 5,205.96-7,789.74-3,127.23

Finding the Fourth Proportional to 5,205.96, 7,789.74 and 3,127.23

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Solution

The fourth proportional to 5,205.96, 7,789.74 and 3,127.23 is: 4,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.96 : 7,789.74 = 3,127.23 : x
  2. Step 2: Convert to fraction form
    5,205.96/7,789.74 = 3,127.23/x
  3. Step 3: Cross multiply
    5,205.96x = 7,789.74 × 3,127.23
  4. Step 4: Simplify right side
    5,205.96x = 24,360,308.62
  5. Step 5: Solve for x
    x = 24,360,308.62/5,205.96
  6. Step 6: Final answer
    x = 4,679.31

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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.