Home / 9,314.75-13,974.30-3,158.75

Finding the Fourth Proportional to 9,314.75, 13,974.30 and 3,158.75

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Solution

The fourth proportional to 9,314.75, 13,974.30 and 3,158.75 is: 4,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.75 : 13,974.30 = 3,158.75 : x
  2. Step 2: Convert to fraction form
    9,314.75/13,974.30 = 3,158.75/x
  3. Step 3: Cross multiply
    9,314.75x = 13,974.30 × 3,158.75
  4. Step 4: Simplify right side
    9,314.75x = 44,141,320.13
  5. Step 5: Solve for x
    x = 44,141,320.13/9,314.75
  6. Step 6: Final answer
    x = 4,738.86

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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.