Home / 4,113.53-6,172.32-1,921.94

Finding the Fourth Proportional to 4,113.53, 6,172.32 and 1,921.94

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Solution

The fourth proportional to 4,113.53, 6,172.32 and 1,921.94 is: 2,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.53 : 6,172.32 = 1,921.94 : x
  2. Step 2: Convert to fraction form
    4,113.53/6,172.32 = 1,921.94/x
  3. Step 3: Cross multiply
    4,113.53x = 6,172.32 × 1,921.94
  4. Step 4: Simplify right side
    4,113.53x = 11,862,828.70
  5. Step 5: Solve for x
    x = 11,862,828.70/4,113.53
  6. Step 6: Final answer
    x = 2,883.86

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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.