Home / 5,105.48-7,658.94-1,817.87

Finding the Fourth Proportional to 5,105.48, 7,658.94 and 1,817.87

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Solution

The fourth proportional to 5,105.48, 7,658.94 and 1,817.87 is: 2,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.48 : 7,658.94 = 1,817.87 : x
  2. Step 2: Convert to fraction form
    5,105.48/7,658.94 = 1,817.87/x
  3. Step 3: Cross multiply
    5,105.48x = 7,658.94 × 1,817.87
  4. Step 4: Simplify right side
    5,105.48x = 13,922,957.26
  5. Step 5: Solve for x
    x = 13,922,957.26/5,105.48
  6. Step 6: Final answer
    x = 2,727.06

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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.