Home / 8,981.53-13,474.73-3,431.95

Finding the Fourth Proportional to 8,981.53, 13,474.73 and 3,431.95

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Solution

The fourth proportional to 8,981.53, 13,474.73 and 3,431.95 is: 5,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.53 : 13,474.73 = 3,431.95 : x
  2. Step 2: Convert to fraction form
    8,981.53/13,474.73 = 3,431.95/x
  3. Step 3: Cross multiply
    8,981.53x = 13,474.73 × 3,431.95
  4. Step 4: Simplify right side
    8,981.53x = 46,244,599.62
  5. Step 5: Solve for x
    x = 46,244,599.62/8,981.53
  6. Step 6: Final answer
    x = 5,148.86

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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.