Home / 6,155.31-9,231.84-2,645.94

Finding the Fourth Proportional to 6,155.31, 9,231.84 and 2,645.94

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Solution

The fourth proportional to 6,155.31, 9,231.84 and 2,645.94 is: 3,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.31 : 9,231.84 = 2,645.94 : x
  2. Step 2: Convert to fraction form
    6,155.31/9,231.84 = 2,645.94/x
  3. Step 3: Cross multiply
    6,155.31x = 9,231.84 × 2,645.94
  4. Step 4: Simplify right side
    6,155.31x = 24,426,894.73
  5. Step 5: Solve for x
    x = 24,426,894.73/6,155.31
  6. Step 6: Final answer
    x = 3,968.43

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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.