Home / 5,150.35-7,727.82-1,864.36

Finding the Fourth Proportional to 5,150.35, 7,727.82 and 1,864.36

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Solution

The fourth proportional to 5,150.35, 7,727.82 and 1,864.36 is: 2,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.35 : 7,727.82 = 1,864.36 : x
  2. Step 2: Convert to fraction form
    5,150.35/7,727.82 = 1,864.36/x
  3. Step 3: Cross multiply
    5,150.35x = 7,727.82 × 1,864.36
  4. Step 4: Simplify right side
    5,150.35x = 14,407,438.50
  5. Step 5: Solve for x
    x = 14,407,438.50/5,150.35
  6. Step 6: Final answer
    x = 2,797.37

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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.