Home / 5,179.08-7,768.50-2,257.32

Finding the Fourth Proportional to 5,179.08, 7,768.50 and 2,257.32

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Solution

The fourth proportional to 5,179.08, 7,768.50 and 2,257.32 is: 3,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.08 : 7,768.50 = 2,257.32 : x
  2. Step 2: Convert to fraction form
    5,179.08/7,768.50 = 2,257.32/x
  3. Step 3: Cross multiply
    5,179.08x = 7,768.50 × 2,257.32
  4. Step 4: Simplify right side
    5,179.08x = 17,535,990.42
  5. Step 5: Solve for x
    x = 17,535,990.42/5,179.08
  6. Step 6: Final answer
    x = 3,385.93

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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.