Home / 8,147.84-11,240.66-4,958.57

Finding the Fourth Proportional to 8,147.84, 11,240.66 and 4,958.57

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Solution

The fourth proportional to 8,147.84, 11,240.66 and 4,958.57 is: 6,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.84 : 11,240.66 = 4,958.57 : x
  2. Step 2: Convert to fraction form
    8,147.84/11,240.66 = 4,958.57/x
  3. Step 3: Cross multiply
    8,147.84x = 11,240.66 × 4,958.57
  4. Step 4: Simplify right side
    8,147.84x = 55,737,639.95
  5. Step 5: Solve for x
    x = 55,737,639.95/8,147.84
  6. Step 6: Final answer
    x = 6,840.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.