Home / 5,455.83-8,175.93-3,111

Finding the Fourth Proportional to 5,455.83, 8,175.93 and 3,111

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Solution

The fourth proportional to 5,455.83, 8,175.93 and 3,111 is: 4,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.83 : 8,175.93 = 3,111 : x
  2. Step 2: Convert to fraction form
    5,455.83/8,175.93 = 3,111/x
  3. Step 3: Cross multiply
    5,455.83x = 8,175.93 × 3,111
  4. Step 4: Simplify right side
    5,455.83x = 25,435,318.23
  5. Step 5: Solve for x
    x = 25,435,318.23/5,455.83
  6. Step 6: Final answer
    x = 4,662.04

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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.